Climate Insights for Bontnewydd

Gwynedd, Wales, United Kingdom

Hottest
August
17°C peak63°F peak
Coldest
January
4°C low39°F low
Wettest
December
195 mm rain7.7 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bontnewydd is temperate. The average annual temperature is 10°C and approximately 1,665 mm of precipitation falls per year. Bontnewydd receives a notable amount of rainfall throughout the year, including during its driest month. Bontnewydd is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, March, when temperatures can drop to 4°C. Light snow can occur between January and December.The climate in Bontnewydd is temperate. The average annual temperature is 51°F and approximately 65.5 in of precipitation falls per year. Bontnewydd receives a notable amount of rainfall throughout the year, including during its driest month. Bontnewydd is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, March, when temperatures can drop to 39°F. Light snow can occur between January and December.

Temperature

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 7°Average: 6°Min: 4°FebMax: 8°Average: 6°Min: 4°MarMax: 9°Average: 7°Min: 5°AprMax: 11°Average: 8°Min: 6°MayMax: 14°Average: 11°Min: 9°JunMax: 16°Average: 14°Min: 12°JulMax: 17°Average: 15°Min: 13°AugMax: 17°Average: 15°Min: 13°SepMax: 16°Average: 14°Min: 12°OctMax: 13°Average: 11°Min: 10°NovMax: 10°Average: 8°Min: 7°DecMax: 8°Average: 7°Min: 6°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 45°FAverage: 42°FMin: 39°FFebMax: 46°FAverage: 43°FMin: 40°FMarMax: 48°FAverage: 44°FMin: 40°FAprMax: 52°FAverage: 47°FMin: 42°FMayMax: 57°FAverage: 53°FMin: 48°FJunMax: 61°FAverage: 57°FMin: 53°FJulMax: 63°FAverage: 59°FMin: 55°FAugMax: 63°FAverage: 60°FMin: 56°FSepMax: 61°FAverage: 57°FMin: 53°FOctMax: 56°FAverage: 53°FMin: 49°FNovMax: 50°FAverage: 47°FMin: 44°FDecMax: 47°FAverage: 45°FMin: 42°F
Max
Average
Min

Bontnewydd sees moderate temperature variation throughout the year, ranging from 4°C to 17°C. August is the warmest month, though highs remain moderate at 17°C with a mean of 15°C. January is the coolest month, with minimum temperatures around 4°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.Bontnewydd sees moderate temperature variation throughout the year, ranging from 39°F to 63°F. August is the warmest month, though highs remain moderate at 63°F with a mean of 60°F. January is the coolest month, with minimum temperatures around 39°F and an average of 42°F. Daily temperature variation is modest, with an average difference of 7°F between highs and lows. The sharpest temperature change occurs between April and May, with a 5°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 159mmSnow: 5mmFebPrecipitation: 146mmSnow: 3mmMarPrecipitation: 130mmSnow: 5mmAprPrecipitation: 83mmSnow: 1mmMayPrecipitation: 80mmSnow: 0mmJunPrecipitation: 106mmSnow: 0mmJulPrecipitation: 114mmSnow: 0mmAugPrecipitation: 137mmSnow: 0mmSepPrecipitation: 163mmSnow: 0mmOctPrecipitation: 177mmSnow: 0mmNovPrecipitation: 176mmSnow: 2mmDecPrecipitation: 195mmSnow: 2mm
Precipitation
Snow
0in2in4in6in8inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 6.3inSnow (in): 2inFebPrecipitation: 5.8inSnow (in): 1inMarPrecipitation: 5.1inSnow (in): 2inAprPrecipitation: 3.3inSnow (in): 0inMayPrecipitation: 3.1inSnow (in): 0inJunPrecipitation: 4.2inSnow (in): 0inJulPrecipitation: 4.5inSnow (in): 0inAugPrecipitation: 5.4inSnow (in): 0inSepPrecipitation: 6.4inSnow (in): 0inOctPrecipitation: 7inSnow (in): 0inNovPrecipitation: 6.9inSnow (in): 1inDecPrecipitation: 7.7inSnow (in): 1in
Precipitation
Snow (in)

Bontnewydd is a fairly wet location, receiving approximately 1,665 mm of precipitation annually, which averages out to around 139 mm per month. The wettest month is December, averaging 195 mm of rainfall. October and November also tend to see above-average precipitation. The driest month is May, with just 80 mm. That's 116 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. Light snowfall can occur between January and December, totalling around 18cm annually. January is the snowiest month with approximately 5cm.Bontnewydd is a fairly wet location, receiving approximately 65.5 in of precipitation annually, which averages out to around 5.5 in per month. The wettest month is December, averaging 7.7 in of rainfall. October and November also tend to see above-average precipitation. The driest month is May, with just 3.1 in. That's 4.6 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. Light snowfall can occur between January and December, totalling around 7in annually. January is the snowiest month with approximately 2in.

Wind

0km/h5km/h10km/h15km/h20km/h25km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 21km/hFebWind Speed: 23km/hMarWind Speed: 20km/hAprWind Speed: 16km/hMayWind Speed: 15km/hJunWind Speed: 16km/hJulWind Speed: 16km/hAugWind Speed: 18km/hSepWind Speed: 18km/hOctWind Speed: 20km/hNovWind Speed: 21km/hDecWind Speed: 22km/h
Wind Speed
0mph5mph10mph15mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 13mphFebWind Speed: 14mphMarWind Speed: 12mphAprWind Speed: 10mphMayWind Speed: 9mphJunWind Speed: 10mphJulWind Speed: 10mphAugWind Speed: 11mphSepWind Speed: 11mphOctWind Speed: 13mphNovWind Speed: 13mphDecWind Speed: 14mph
Wind Speed

Bontnewydd is mildly breezy, with an average annual wind speed of 19km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/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 22km/h in winter, 17km/h in spring, 16km/h in summer, 20km/h in autumn.Bontnewydd is moderately windy, with an average annual wind speed of 12mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 14mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 9mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5mph 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 14mph in winter, 10mph in spring, 10mph in summer, 12mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Bontnewydd 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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 Bontnewydd 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. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. 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
4 °C39 °F
7 °C45 °F
21 km/h13 mph
159 mm6.3 in
5 cm2 in
Feb
4 °C40 °F
8 °C46 °F
23 km/h14 mph
146 mm5.8 in
3 cm1 in
Mar
5 °C40 °F
9 °C48 °F
20 km/h12 mph
130 mm5.1 in
5 cm2 in
Apr
6 °C42 °F
11 °C52 °F
16 km/h10 mph
83 mm3.3 in
1 cm0 in
May
9 °C48 °F
14 °C57 °F
15 km/h9 mph
80 mm3.1 in
0 cm0 in
Jun
12 °C53 °F
16 °C61 °F
16 km/h10 mph
106 mm4.2 in
0 cm0 in
Jul
13 °C55 °F
17 °C63 °F
16 km/h10 mph
114 mm4.5 in
0 cm0 in
Aug
13 °C56 °F
17 °C63 °F
18 km/h11 mph
137 mm5.4 in
0 cm0 in
Sep
12 °C53 °F
16 °C61 °F
18 km/h11 mph
163 mm6.4 in
0 cm0 in
OctCurrent
10 °C49 °F
13 °C56 °F
20 km/h13 mph
177 mm7 in
0 cm0 in
Nov
7 °C44 °F
10 °C50 °F
21 km/h13 mph
176 mm6.9 in
2 cm1 in
Dec
6 °C42 °F
8 °C47 °F
22 km/h14 mph
195 mm7.7 in
2 cm1 in