Climate Insights for Annan District

Tainan, Taiwan

Hottest
July
32°C peak90°F peak
Coldest
January
16°C low61°F low
Wettest
August
401 mm rain15.8 in rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Annan District is warm and mild. The average annual temperature is 25°C and approximately 2,036 mm of precipitation falls per year. Annan District receives a notable amount of rainfall throughout the year, including during its driest month. Annan District is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, September, June. The coldest months are January, February, December, when temperatures can drop to 16°C.The climate in Annan District is warm and mild. The average annual temperature is 77°F and approximately 80.1 in of precipitation falls per year. Annan District receives a notable amount of rainfall throughout the year, including during its driest month. Annan District is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, September, June. The coldest months are January, February, December, when temperatures can drop to 61°F.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 23°Average: 19°Min: 16°FebMax: 23°Average: 19°Min: 17°MarMax: 26°Average: 22°Min: 19°AprMax: 28°Average: 25°Min: 23°MayMax: 30°Average: 28°Min: 25°JunMax: 31°Average: 29°Min: 27°JulMax: 32°Average: 29°Min: 27°AugMax: 31°Average: 29°Min: 27°SepMax: 32°Average: 29°Min: 26°OctMax: 30°Average: 27°Min: 24°NovMax: 28°Average: 24°Min: 22°DecMax: 24°Average: 21°Min: 18°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 73°FAverage: 66°FMin: 61°FFebMax: 74°FAverage: 67°FMin: 62°FMarMax: 78°FAverage: 72°FMin: 67°FAprMax: 83°FAverage: 77°FMin: 73°FMayMax: 87°FAverage: 82°FMin: 77°FJunMax: 89°FAverage: 84°FMin: 80°FJulMax: 90°FAverage: 85°FMin: 80°FAugMax: 88°FAverage: 84°FMin: 80°FSepMax: 89°FAverage: 83°FMin: 79°FOctMax: 86°FAverage: 80°FMin: 76°FNovMax: 82°FAverage: 76°FMin: 71°FDecMax: 76°FAverage: 69°FMin: 64°F
Max
Average
Min

Annan District sees moderate temperature variation throughout the year, ranging from 16°C to 32°C. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.Annan District sees moderate temperature variation throughout the year, ranging from 61°F to 90°F. The warmest month is July, when average highs reach 90°F and the mean temperature sits around 85°F. January is the coolest month, with minimum temperatures around 61°F and an average of 66°F. Daily temperature variation is modest, with an average difference of 10°F between highs and lows. The sharpest temperature change occurs between November and December, with a 7°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mm250mm300mm350mm400mm450mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 59mmFebPrecipitation: 44mmMarPrecipitation: 62mmAprPrecipitation: 101mmMayPrecipitation: 257mmJunPrecipitation: 376mmJulPrecipitation: 340mmAugPrecipitation: 401mmSepPrecipitation: 204mmOctPrecipitation: 112mmNovPrecipitation: 41mmDecPrecipitation: 38mm
Precipitation
0in2in4in6in8in10in12in14in16inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 2.3inFebPrecipitation: 1.7inMarPrecipitation: 2.4inAprPrecipitation: 4inMayPrecipitation: 10.1inJunPrecipitation: 14.8inJulPrecipitation: 13.4inAugPrecipitation: 15.8inSepPrecipitation: 8inOctPrecipitation: 4.4inNovPrecipitation: 1.6inDecPrecipitation: 1.5in
Precipitation

Annan District is a very wet location, receiving approximately 2,036 mm of precipitation annually, which averages out to around 170 mm per month. The wettest month is August, averaging 401 mm of rainfall. June and July also tend to see above-average precipitation. The driest month is December, with just 38 mm. That's 363 mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Annan District is a very wet location, receiving approximately 80.1 in of precipitation annually, which averages out to around 6.7 in per month. The wettest month is August, averaging 15.8 in of rainfall. June and July also tend to see above-average precipitation. The driest month is December, with just 1.5 in. That's 14.3 in less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 13km/hFebWind Speed: 13km/hMarWind Speed: 11km/hAprWind Speed: 9km/hMayWind Speed: 8km/hJunWind Speed: 8km/hJulWind Speed: 8km/hAugWind Speed: 8km/hSepWind Speed: 8km/hOctWind Speed: 9km/hNovWind Speed: 10km/hDecWind Speed: 13km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8mphFebWind Speed: 8mphMarWind Speed: 7mphAprWind Speed: 6mphMayWind Speed: 5mphJunWind Speed: 5mphJulWind Speed: 5mphAugWind Speed: 5mphSepWind Speed: 5mphOctWind Speed: 5mphNovWind Speed: 6mphDecWind Speed: 8mph
Wind Speed

Annan District is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/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 13km/h in winter, 9km/h in spring, 8km/h in summer, 9km/h in autumn.Annan District is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph 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 8mph in winter, 6mph in spring, 5mph in summer, 6mph in autumn.

Best Time to Visit

Jan19°66°F
Feb19°67°F
Mar22°72°F
Apr25°77°F
May28°82°F
Jun29°84°F
Jul29°85°F
Aug29°84°F
Sep29°83°F
Oct27°80°F
Nov24°76°F
Dec21°69°F

The best time to visit Annan District is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 49 mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 32°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Annan District is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 70°F with modest rainfall averaging 1.9 in per month. By contrast, July can be uncomfortably hot with temperatures reaching 90°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Annan District 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 Annan District 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
16 °C61 °F
23 °C73 °F
13 km/h8 mph
59 mm2.3 in
0 cm0 in
Feb
17 °C62 °F
23 °C74 °F
13 km/h8 mph
44 mm1.7 in
0 cm0 in
Mar
19 °C67 °F
26 °C78 °F
11 km/h7 mph
62 mm2.4 in
0 cm0 in
Apr
23 °C73 °F
28 °C83 °F
9 km/h6 mph
101 mm4 in
0 cm0 in
May
25 °C77 °F
30 °C87 °F
8 km/h5 mph
257 mm10.1 in
0 cm0 in
Jun
27 °C80 °F
31 °C89 °F
8 km/h5 mph
376 mm14.8 in
0 cm0 in
Jul
27 °C80 °F
32 °C90 °F
8 km/h5 mph
340 mm13.4 in
0 cm0 in
Aug
27 °C80 °F
31 °C88 °F
8 km/h5 mph
401 mm15.8 in
0 cm0 in
Sep
26 °C79 °F
32 °C89 °F
8 km/h5 mph
204 mm8 in
0 cm0 in
OctCurrent
24 °C76 °F
30 °C86 °F
9 km/h5 mph
112 mm4.4 in
0 cm0 in
Nov
22 °C71 °F
28 °C82 °F
10 km/h6 mph
41 mm1.6 in
0 cm0 in
Dec
18 °C64 °F
24 °C76 °F
13 km/h8 mph
38 mm1.5 in
0 cm0 in