Climate Insights for Kassiri

, Northern Province, Sierra Leone

Hottest
April
30°C peak
Coldest
August
25°C low
Wettest
July
880mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Kassiri is hot. The average annual temperature is 27°C and approximately 3098mm of precipitation falls per year. July is the wettest month, receiving around 880mm of rainfall. Kassiri sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 29° Average: 27° Min: 25° Feb Max: 29° Average: 27° Min: 25° Mar Max: 29° Average: 27° Min: 26° Apr Max: 30° Average: 28° Min: 26° May Max: 29° Average: 28° Min: 26° Jun Max: 28° Average: 27° Min: 25° Jul Max: 27° Average: 26° Min: 25° Aug Max: 27° Average: 26° Min: 25° Sep Max: 27° Average: 26° Min: 25° Oct Max: 28° Average: 27° Min: 25° Nov Max: 29° Average: 27° Min: 26° Dec Max: 29° Average: 27° Min: 26°
Max
Average
Min

Kassiri has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm 750mm 800mm 850mm 900mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 3mm Feb Precipitation: 3mm Mar Precipitation: 3mm Apr Precipitation: 18mm May Precipitation: 122mm Jun Precipitation: 369mm Jul Precipitation: 880mm Aug Precipitation: 765mm Sep Precipitation: 596mm Oct Precipitation: 237mm Nov Precipitation: 90mm Dec Precipitation: 13mm
Precipitation

Kassiri is a very wet location, receiving approximately 3098mm of precipitation annually, which averages out to around 258mm per month. The wettest month is July, averaging 880mm of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 3mm. That's 878mm less than July, 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/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 18km/h Feb Wind Speed: 19km/h Mar Wind Speed: 20km/h Apr Wind Speed: 20km/h May Wind Speed: 17km/h Jun Wind Speed: 17km/h Jul Wind Speed: 19km/h Aug Wind Speed: 21km/h Sep Wind Speed: 18km/h Oct Wind Speed: 15km/h Nov Wind Speed: 14km/h Dec Wind Speed: 15km/h
Wind Speed

Kassiri is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Kassiri, which began on March 20, 2026. Kassiri sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 30°C, while the coldest stretch bottoms out in August near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 30°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Winds are moderate at around 19km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 2014mm across the season with a monthly average of 671mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 922mm across the season with a monthly average of 307mm. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 29°C. Precipitation is minimal, with only around 19mm for the entire season. Winds are moderate at around 18km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Kassiri 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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
25 °C
29 °C
18 km/h
3 mm
0 cm
Feb
25 °C
29 °C
19 km/h
3 mm
0 cm
Mar Current
26 °C
29 °C
20 km/h
3 mm
0 cm
Apr
26 °C
30 °C
20 km/h
18 mm
0 cm
May
26 °C
29 °C
17 km/h
122 mm
0 cm
Jun
25 °C
28 °C
17 km/h
369 mm
0 cm
Jul
25 °C
27 °C
19 km/h
880 mm
0 cm
Aug
25 °C
27 °C
21 km/h
765 mm
0 cm
Sep
25 °C
27 °C
18 km/h
596 mm
0 cm
Oct
25 °C
28 °C
15 km/h
237 mm
0 cm
Nov
26 °C
29 °C
14 km/h
90 mm
0 cm
Dec
26 °C
29 °C
15 km/h
13 mm
0 cm
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Metric (°C, km/h)