Climate Insights for Assimpao

Sima, Anjouan, Comoros

Hottest
December
29°C peak84°F peak
Coldest
August
23°C low73°F low
Wettest
January
267 mm rain10.5 in rain
Best to Visit
July, August, September
Mild temps & low rain

Climate Overview

The climate in Assimpao is hot. The average annual temperature is 26°C and approximately 1,173 mm of precipitation falls per year. January is the wettest month, receiving around 267 mm of rainfall. Assimpao is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: December, March, April. The coldest months are August, July, September, when temperatures can drop to 23°C.The climate in Assimpao is hot. The average annual temperature is 79°F and approximately 46.2 in of precipitation falls per year. January is the wettest month, receiving around 10.5 in of rainfall. Assimpao is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: December, March, April. The coldest months are August, July, September, when temperatures can drop to 73°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 28°Average: 27°Min: 26°FebMax: 28°Average: 27°Min: 26°MarMax: 29°Average: 27°Min: 26°AprMax: 29°Average: 27°Min: 26°MayMax: 28°Average: 26°Min: 25°JunMax: 27°Average: 25°Min: 24°JulMax: 26°Average: 24°Min: 23°AugMax: 26°Average: 24°Min: 23°SepMax: 27°Average: 25°Min: 23°OctMax: 28°Average: 26°Min: 24°NovMax: 28°Average: 27°Min: 25°DecMax: 29°Average: 27°Min: 26°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 83°FAverage: 80°FMin: 78°FFebMax: 83°FAverage: 81°FMin: 78°FMarMax: 84°FAverage: 81°FMin: 79°FAprMax: 84°FAverage: 81°FMin: 79°FMayMax: 82°FAverage: 80°FMin: 77°FJunMax: 80°FAverage: 77°FMin: 75°FJulMax: 79°FAverage: 76°FMin: 73°FAugMax: 79°FAverage: 76°FMin: 73°FSepMax: 80°FAverage: 76°FMin: 73°FOctMax: 82°FAverage: 78°FMin: 75°FNovMax: 83°FAverage: 80°FMin: 77°FDecMax: 84°FAverage: 81°FMin: 78°F
Max
Average
Min

Assimpao has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is December, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.Assimpao has relatively stable temperatures year-round, staying within a 11°F range. The warmest month is December, when average highs reach 84°F and the mean temperature sits around 81°F. August is the coolest month, with minimum temperatures around 73°F and an average of 76°F. Daily temperature variation is modest, with an average difference of 6°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mm250mm300mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 267mmFebPrecipitation: 204mmMarPrecipitation: 171mmAprPrecipitation: 130mmMayPrecipitation: 42mmJunPrecipitation: 29mmJulPrecipitation: 19mmAugPrecipitation: 23mmSepPrecipitation: 32mmOctPrecipitation: 51mmNovPrecipitation: 75mmDecPrecipitation: 130mm
Precipitation
0in2in4in6in8in10inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 10.5inFebPrecipitation: 8inMarPrecipitation: 6.7inAprPrecipitation: 5.1inMayPrecipitation: 1.7inJunPrecipitation: 1.1inJulPrecipitation: 0.8inAugPrecipitation: 0.9inSepPrecipitation: 1.3inOctPrecipitation: 2inNovPrecipitation: 3inDecPrecipitation: 5.1in
Precipitation

Assimpao is a moderately rainy area, receiving approximately 1,173 mm of precipitation annually, which averages out to around 98 mm per month. The wettest month is January, averaging 267 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 19 mm. That's 247 mm less than January, 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.Assimpao is a moderately rainy area, receiving approximately 46.2 in of precipitation annually, which averages out to around 3.9 in per month. The wettest month is January, averaging 10.5 in of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 0.7 in. That's 9.7 in less than January, 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/h20km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12km/hFebWind Speed: 10km/hMarWind Speed: 9km/hAprWind Speed: 10km/hMayWind Speed: 16km/hJunWind Speed: 16km/hJulWind Speed: 17km/hAugWind Speed: 12km/hSepWind Speed: 9km/hOctWind Speed: 9km/hNovWind Speed: 8km/hDecWind Speed: 8km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8mphFebWind Speed: 6mphMarWind Speed: 6mphAprWind Speed: 6mphMayWind Speed: 10mphJunWind Speed: 10mphJulWind Speed: 10mphAugWind Speed: 8mphSepWind Speed: 6mphOctWind Speed: 6mphNovWind Speed: 5mphDecWind Speed: 5mph
Wind Speed

Assimpao is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 9km/h in spring, 10km/h in summer, 12km/h in autumn.Assimpao is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9mph in winter, 5mph in spring, 6mph in summer, 7mph in autumn.

Best Time to Visit

Jan27°80°F
Feb27°81°F
Mar27°81°F
Apr27°81°F
May26°80°F
Jun25°77°F
Jul24°76°F
Aug24°76°F
Sep25°76°F
Oct26°78°F
Nov27°80°F
Dec27°81°F

The best time to visit Assimpao is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 25 mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 29°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Assimpao is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 76°F with modest rainfall averaging 1 in per month. By contrast, December can be uncomfortably hot with temperatures reaching 84°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Assimpao 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 Assimpao 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
26 °C78 °F
28 °C83 °F
12 km/h8 mph
267 mm10.5 in
0 cm0 in
Feb
26 °C78 °F
28 °C83 °F
10 km/h6 mph
204 mm8 in
0 cm0 in
Mar
26 °C79 °F
29 °C84 °F
9 km/h6 mph
171 mm6.7 in
0 cm0 in
Apr
26 °C79 °F
29 °C84 °F
10 km/h6 mph
130 mm5.1 in
0 cm0 in
May
25 °C77 °F
28 °C82 °F
16 km/h10 mph
42 mm1.7 in
0 cm0 in
Jun
24 °C75 °F
27 °C80 °F
16 km/h10 mph
29 mm1.1 in
0 cm0 in
Jul
23 °C73 °F
26 °C79 °F
17 km/h10 mph
19 mm0.8 in
0 cm0 in
Aug
23 °C73 °F
26 °C79 °F
12 km/h8 mph
23 mm0.9 in
0 cm0 in
Sep
23 °C73 °F
27 °C80 °F
9 km/h6 mph
32 mm1.3 in
0 cm0 in
OctCurrent
24 °C75 °F
28 °C82 °F
9 km/h6 mph
51 mm2 in
0 cm0 in
Nov
25 °C77 °F
28 °C83 °F
8 km/h5 mph
75 mm3 in
0 cm0 in
Dec
26 °C78 °F
29 °C84 °F
8 km/h5 mph
130 mm5.1 in
0 cm0 in