Climate Insights for Windsor

Cornwall, England, United Kingdom

Hottest
August
18°C peak65°F peak
Coldest
January
7°C low44°F low
Wettest
December
128 mm rain5 in rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Windsor is temperate. The average annual temperature is 12°C and approximately 1,095 mm of precipitation falls per year. Windsor receives a notable amount of rainfall throughout the year, including during its driest month. Windsor is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 7°C.The climate in Windsor is temperate. The average annual temperature is 54°F and approximately 43.1 in of precipitation falls per year. Windsor receives a notable amount of rainfall throughout the year, including during its driest month. Windsor is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 44°F.

Temperature

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 9°Average: 8°Min: 7°FebMax: 10°Average: 8°Min: 7°MarMax: 10°Average: 9°Min: 7°AprMax: 11°Average: 10°Min: 8°MayMax: 14°Average: 12°Min: 11°JunMax: 17°Average: 15°Min: 13°JulMax: 18°Average: 17°Min: 15°AugMax: 18°Average: 17°Min: 15°SepMax: 17°Average: 16°Min: 14°OctMax: 15°Average: 13°Min: 12°NovMax: 12°Average: 11°Min: 10°DecMax: 11°Average: 9°Min: 8°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 49°FAverage: 46°FMin: 44°FFebMax: 49°FAverage: 47°FMin: 44°FMarMax: 50°FAverage: 47°FMin: 45°FAprMax: 52°FAverage: 50°FMin: 47°FMayMax: 57°FAverage: 54°FMin: 51°FJunMax: 62°FAverage: 59°FMin: 56°FJulMax: 65°FAverage: 62°FMin: 59°FAugMax: 65°FAverage: 62°FMin: 60°FSepMax: 63°FAverage: 60°FMin: 57°FOctMax: 58°FAverage: 56°FMin: 54°FNovMax: 54°FAverage: 51°FMin: 49°FDecMax: 51°FAverage: 49°FMin: 47°F
Max
Average
Min

Windsor sees moderate temperature variation throughout the year, ranging from 7°C to 18°C. August is the warmest month, though highs remain moderate at 18°C with a mean of 17°C. January is the coolest month, with minimum temperatures around 7°C and an average of 8°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between May and June, with a 3°C shift in average temperatures.Windsor sees moderate temperature variation throughout the year, ranging from 44°F to 65°F. August is the warmest month, though highs remain moderate at 65°F with a mean of 62°F. January is the coolest month, with minimum temperatures around 44°F and an average of 46°F. Daily temperature variation is modest, with an average difference of 5°F between highs and lows. The sharpest temperature change occurs between May and June, with a 5°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 106mmSnow: 0mmFebPrecipitation: 96mmSnow: 1mmMarPrecipitation: 94mmSnow: 2mmAprPrecipitation: 62mmSnow: 0mmMayPrecipitation: 62mmSnow: 0mmJunPrecipitation: 72mmSnow: 0mmJulPrecipitation: 67mmSnow: 0mmAugPrecipitation: 68mmSnow: 0mmSepPrecipitation: 93mmSnow: 0mmOctPrecipitation: 120mmSnow: 0mmNovPrecipitation: 127mmSnow: 1mmDecPrecipitation: 128mmSnow: 0mm
Precipitation
Snow
0in2in4inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 4.2inSnow (in): 0inFebPrecipitation: 3.8inSnow (in): 0inMarPrecipitation: 3.7inSnow (in): 1inAprPrecipitation: 2.4inSnow (in): 0inMayPrecipitation: 2.4inSnow (in): 0inJunPrecipitation: 2.8inSnow (in): 0inJulPrecipitation: 2.7inSnow (in): 0inAugPrecipitation: 2.7inSnow (in): 0inSepPrecipitation: 3.6inSnow (in): 0inOctPrecipitation: 4.7inSnow (in): 0inNovPrecipitation: 5inSnow (in): 0inDecPrecipitation: 5inSnow (in): 0in
Precipitation
Snow (in)

Windsor is a moderately rainy area, receiving approximately 1,095 mm of precipitation annually, which averages out to around 91 mm per month. The wettest month is December, averaging 128 mm of rainfall. November and October also tend to see above-average precipitation. The driest month is April, with just 62 mm. That's 66 mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.Windsor is a moderately rainy area, receiving approximately 43.1 in of precipitation annually, which averages out to around 3.6 in per month. The wettest month is December, averaging 5 in of rainfall. November and October also tend to see above-average precipitation. The driest month is April, with just 2.4 in. That's 2.6 in less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h5km/h10km/h15km/h20km/h25km/h30km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 25km/hFebWind Speed: 27km/hMarWind Speed: 25km/hAprWind Speed: 21km/hMayWind Speed: 18km/hJunWind Speed: 18km/hJulWind Speed: 19km/hAugWind Speed: 19km/hSepWind Speed: 21km/hOctWind Speed: 24km/hNovWind Speed: 26km/hDecWind Speed: 27km/h
Wind Speed
0mph5mph10mph15mph20mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 16mphFebWind Speed: 17mphMarWind Speed: 15mphAprWind Speed: 13mphMayWind Speed: 11mphJunWind Speed: 11mphJulWind Speed: 12mphAugWind Speed: 12mphSepWind Speed: 13mphOctWind Speed: 15mphNovWind Speed: 16mphDecWind Speed: 17mph
Wind Speed

Windsor is moderately windy, with an average annual wind speed of 22km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 27km/h in winter, 21km/h in spring, 19km/h in summer, 23km/h in autumn.Windsor is very windy, with an average annual wind speed of 14mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 17mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 11mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16mph in winter, 13mph in spring, 12mph in summer, 15mph in autumn.

Best Time to Visit

Jan8°46°F
Feb8°47°F
Mar9°47°F
Apr10°50°F
May12°54°F
Jun15°59°F
Jul17°62°F
Aug17°62°F
Sep16°60°F
Oct13°56°F
Nov11°51°F
Dec9°49°F

The best time to visit Windsor is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 75 mm per month. By contrast, January can be quite cold with temperatures dropping to 7°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Windsor is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 61°F with modest rainfall averaging 3 in per month. By contrast, January can be quite cold with temperatures dropping to 44°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Windsor based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Windsor based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
7 °C44 °F
9 °C49 °F
25 km/h16 mph
106 mm4.2 in
0 cm0 in
Feb
7 °C44 °F
10 °C49 °F
27 km/h17 mph
96 mm3.8 in
1 cm0 in
Mar
7 °C45 °F
10 °C50 °F
25 km/h15 mph
94 mm3.7 in
2 cm1 in
Apr
8 °C47 °F
11 °C52 °F
21 km/h13 mph
62 mm2.4 in
0 cm0 in
May
11 °C51 °F
14 °C57 °F
18 km/h11 mph
62 mm2.4 in
0 cm0 in
Jun
13 °C56 °F
17 °C62 °F
18 km/h11 mph
72 mm2.8 in
0 cm0 in
Jul
15 °C59 °F
18 °C65 °F
19 km/h12 mph
67 mm2.7 in
0 cm0 in
Aug
15 °C60 °F
18 °C65 °F
19 km/h12 mph
68 mm2.7 in
0 cm0 in
Sep
14 °C57 °F
17 °C63 °F
21 km/h13 mph
93 mm3.6 in
0 cm0 in
OctCurrent
12 °C54 °F
15 °C58 °F
24 km/h15 mph
120 mm4.7 in
0 cm0 in
Nov
10 °C49 °F
12 °C54 °F
26 km/h16 mph
127 mm5 in
1 cm0 in
Dec
8 °C47 °F
11 °C51 °F
27 km/h17 mph
128 mm5 in
0 cm0 in