Climate and monthly weather forecastSima, Comoros
Climate and monthly weather forecast
The climate of Sima
Sima, Comoros, nestled in the tropical rainforest zone, possesses an Af Köppen climate classification. The area's perennial humidity sways between 73 and 78%, with a slightly decreased rate during the middle of the year. Temperatures range from a minimum of 23.9°C (75°F) to a maximum of 28.6°C (83.5°F). However, monthly average temperatures fluctuate less, maintaining warmth all year round.The sun shines generously in Sima, casting light for approximately 11.5 hours to 12.8 hours daily. An increased sunshine duration is noticeable between September to January, with 10.1 hours to 11.3 hours of sunlight per day. Interestingly, the brightest month is November, boasting an average UV index rating of seven. The sunniest days, however, are observed from July to October with 14.1 to 15.8 cloud-free days.
Rainfall is a significant aspect of Sima's climate, particularly during the first quarter of the year. The highest precipitation is recorded in January with 176mm (6.93"), while the driest periods are between June to September, recording as low as 14mm (0.55"). The windy season begins in May, and the highest wind gust of 30.2km/h (18.8mph) is observed in July.
The Best Time to Visit Sima
For blue skies and dry weather ideal for outdoor exploration, the period between June to September is recommended. Rainfall is at the lowest during these months ranging from 14mm (0.55") to 27mm (1.06"). The temperatures remain comfortably warm from 23.9°C (75°F) to 26.5°C (79.7°F), and daily sunshine hours extend between 7.6 hours to 10.1 hours.The Worst Time to Visit Sima
Travellers may want to avoid Sima between January to March. This period receives the highest precipitation, measuring between 127mm (5") to 176mm (6.93"). The excessive rainfall coupled with maximum relative humidity around 78% can make outdoor activities challenging.Spring Weather in Sima
In Sima, spring months, March to May, typically observe a decline in rainfall from 131mm (5.16") to 27mm (1.06"). The average temperatures remain consistently warm, transitioning from 27.5°C (81.5°F) to 26.5°C (79.7°F). Simultaneously, humidity levels decrease slightly from 76% to 74%, and daylight hours marginally drop from 12.2 hours to 11.5 hours.Summer Weather in Sima
Summer, from June to August, is the driest in Sima. Rainfall is at its lowest, and temperatures are slightly milder, ranging between 23.9°C (75°F) to 25.4°C (77.7°F). June and July experience the highest wind speeds, averaging 21.8km/h (13.5mph) to 22.1km/h (13.7mph), respectively. Sunshine hours notably rise from 7.6 hours to 9.3 hours during three months.Autumn Weather in Sima
The autumn period from September to November in Sima is marked by a gradual increase in rainfall, from 14mm (0.55") to 29mm (1.14"). Similarly, the low temperatures start elevating from 24.2°C (75.6°F) to 25.9°C (78.6°F). Noticeably, September experiences the maximum daylight hours of the year, counting to 12 hours a day.Winter Weather in Sima
Winter months, from December to February, witness the highest precipitation in Sima. Rainfall rises dramatically from 110mm (4.33") in December to 176mm (6.93") in January. This period also experiences a slight increase in relative humidity, stabilising around 77%. Despite this, the temperatures remain warm, ranging from 26.3°C (79.3°F) to 27.3°C (81.1°F).Weather in January
January in Sima, Comoros, is a month of tropical climate with substantial rainfall. Sunny days often find themselves slightly disrupted by average rainfall measuring 176mm (6.93") over 22.2 days. The warmth of the month is accentuated by a high temperature that ranges from 27.1°C (80.8°F) to 28.2°C (82.8°F). Weather in January »Weather in February
Weather in Sima, Comoros, undergoes subtle changes in February. The tropical atmosphere still persists as rainfall decreases to 127mm (5") over 19.1 days. The high temperature remains steady, fluctuating mildly from 27.3°C (81.1°F) to 28.4°C (83.1°F). Weather in February »Weather in March
March is somewhat of a transition month in Sima, Comoros. Characterized by a slight increase in rainfall to 131mm (5.16"), the month remains conducive to outdoor plans with the warmth remaining nearly constant with temperatures crossing 27.5°C (81.5°F) on the lower edge to 28.6°C (83.5°F) on the higher end. Weather in March »Weather in April
The month of April welcomes a subtle change in the weather pattern of Sima, Comoros. Despite an increase in the average rainfall to 141mm (5.55"), the decrease in both daylight and sunshine hours does not dampen the familiar warmth hovering between 27.3°C (81.1°F) and 28.4°C (83.1°F). Weather in April »Weather in May
The month of May in Sima, Comoros, is marked by its significant decrease in rainfall down to 60mm (2.36"). Temperatures remain in the warm spectrum, oscillating between 26.3°C (79.3°F) and 27.5°C (81.5°F), setting a landscape of comfort for the residents and tourists alike. Weather in May »Weather in June
June brings the onset of a less humid period in Sima, Comoros. A sharp decline in rainfall to 27mm (1.06") makes this month the driest of the year. With temperatures still moderately high, ranging between 25.1°C (77.2°F) and 26.5°C (79.7°F), the weather leans toward being warm rather than hot. Weather in June »Weather in July
July in Sima, Comoros, sustains the dry period with rainfall measuring a minimal 19mm (0.75"). As mid-year approaches, temperatures retain their warmth, oscillating from 24.1°C (75.4°F) to 25.4°C (77.7°F). The tranquil balance of pleasant temperatures, low humidity, and decreased rainfall make July an attractive month for venturing into the city's beautiful surroundings. Weather in July »Weather in August
August in Sima, Comoros, spaces the continuity of pleasantly warm temperatures varying between 23.9°C (75°F) and 25.4°C (77.7°F). A further decrease in rainfall is noticed, down to 14mm (0.55"), maintaining the trend of this being a dry period of the year. Weather in August »Weather in September
September witnesses minimal shifts in the weather of Sima, Comoros. Rainfall stays steady at 14mm (0.55"), making it among the drier months of the year. September weather is augmented by a slight hike in temperatures from 24.2°C (75.6°F) to 25.4°C (77.7°F). Weather in September »Weather in October
In Sima, Comoros, October marks the month showing signs of change with an increase in rainfall to 19mm (0.75"). Temperatures dwell between the comfortable range of 24.8°C (76.6°F) and 26.4°C (79.5°F). The city starts witnessing an upsurge in humidity, creating a moist and warm atmosphere typical of tropical regions. Weather in October »Weather in November
The month of November in Sima, Comoros, witnesses a considerable jump in rainfall to 29mm (1.14"), indicating the onset of a humid period. The temperature graph leans towards the higher side, ranging from 25.9°C (78.6°F) to 27.6°C (81.7°F). Weather in November »Weather in December
December in Sima, Comoros, marks a return to the wetter part of the year with the city receiving substantial rainfall measuring 110mm (4.33"). The mercury soars between 27°C (80.6°F) and 28.4°C (83.1°F), creating a hot and moist environment typical of the tropics. Weather in December »Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average relative humidity of 78%, January is the most humid month in Sima.
January is the month with the most rainfall in Sima, Comoros. Rain falls for 22.2 days and accumulates 176mm (6.93") of precipitation.
In Sima, Comoros, during the entire year, the rain falls for 190.9 days and collects up to 867mm (34.13") of precipitation.
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Sima.
March, with its average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 27.5°C (81.5°F), holds the record as the warmest month in Sima.
The months with the least sunshine in Sima, Comoros, are May and June, with an average of 7.2h of sunshine.
June has the shortest days of the year in Sima, Comoros, with an average of 11h and 30min of daylight.
Sima experiences its coldest period in July through September, averaging a high-temperature of 25.4°C (77.7°F).
The least humid month in Sima, Comoros, is July, with an average relative humidity of 73%.
The months with the lowest UV index in Sima, Comoros, are July and August, with an average maximum UV index of 6.
The months with the least rainfall in Sima, Comoros, are August and September Rain falls for 9.8 days and accumulates 14mm (0.55") of rain.
The month with the most sunshine is November, with an average of 11.3h of sunshine.
With an average of 12h and 48min of daylight, December has the longest days of the year in Sima, Comoros.
Sima, Comoros, does not utilize Daylight Saving Time (DST). EAT timezone is used over the entire year.
Average temperature
Sima, Comoros
The warmest month (with the highest average high temperature) is March (28.6°C).
The months with the lowest average high temperature are July, August and September (25.4°C).
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure
Sima, Comoros
- Average pressure in January:
1010.2mbar - Average pressure in February:
1010mbar - Average pressure in March:
1010.4mbar - Average pressure in April:
1011.7mbar - Average pressure in May:
1014.1mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1017mbar - Average pressure in August:
1016.9mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1014mbar - Average pressure in November:
1012mbar - Average pressure in December:
1010.9mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed
Sima, Comoros
- Average wind speed in January:
18.6km/h - Average wind speed in February:
15km/h - Average wind speed in March:
12km/h - Average wind speed in April:
15.2km/h - Average wind speed in May:
20.8km/h - Average wind speed in June:
21.8km/h
- Average wind speed in July:
22.1km/h - Average wind speed in August:
16.5km/h - Average wind speed in September:
12.5km/h - Average wind speed in October:
13km/h - Average wind speed in November:
12km/h - Average wind speed in December:
12km/h
The windiest month (with the highest average wind speed) is July (22.1km/h).
The calmest months (with the lowest average wind speed) are March, November and December (12km/h).
Average humidity
Sima, Comoros
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Sima, Comoros
- Average rainfall in January:
176mm - Average rainfall in February:
127mm - Average rainfall in March:
131mm - Average rainfall in April:
141mm - Average rainfall in May:
60mm - Average rainfall in June:
27mm
The wettest month (with the highest rainfall) is January (176mm).
The driest months (with the least rainfall) are August and September (14mm).
Average rainfall days
Sima, Comoros
- Average rainfall days in January:
22.2 days - Average rainfall days in February:
19.1 days - Average rainfall days in March:
23 days - Average rainfall days in April:
23.1 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
12.2 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
13.9 days - Average rainfall days in December:
19.2 days
The month with the highest number of rainy days is April (23.1 days).
The month with the least rainy days is August (9.8 days).
Average daylight / Average sunshine
Sima, Comoros
- Average daylight in January:
12h and 42min - Average daylight in February:
12h and 30min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 48min - Average daylight in May:
11h and 36min - Average daylight in June:
11h and 30min
- Average daylight in July:
11h and 30min - Average daylight in August:
11h and 42min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 24min - Average daylight in November:
12h and 36min - Average daylight in December:
12h and 48min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in January:
9h and 12min - Average sunshine in February:
7h and 54min - Average sunshine in March:
8h and 42min - Average sunshine in April:
8h and 0min - Average sunshine in May:
7h and 12min - Average sunshine in June:
7h and 12min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
9h and 18min - Average sunshine in September:
10h and 6min - Average sunshine in October:
10h and 54min - Average sunshine in November:
11h and 18min - Average sunshine in December:
10h and 42min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are May and June (Average sunshine: 7h and 12min).
Average sunshine days
Sima, Comoros
- Average sunshine days in January:
6.3 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
5.1 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
8.8 days
The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is April (5.1 days).
Average UV index
Sima, Comoros
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover
Sima, Comoros
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Sima, Comoros
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
