Climate Insights for Seidu

, Northern Province, Sierra Leone

Hottest
February
35°C peak
Coldest
January
19°C low
Wettest
July
401mm rain
Best to Visit
November, December
Mild temps & low rain

Climate Overview

The climate in Seidu is hot. The average annual temperature is 25°C and approximately 2150mm of precipitation falls per year. July is the wettest month, receiving around 401mm of rainfall. Seidu sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 33° Average: 26° Min: 19° Feb Max: 35° Average: 28° Min: 21° Mar Max: 35° Average: 28° Min: 23° Apr Max: 32° Average: 27° Min: 23° May Max: 30° Average: 26° Min: 22° Jun Max: 29° Average: 24° Min: 22° Jul Max: 27° Average: 23° Min: 21° Aug Max: 27° Average: 23° Min: 21° Sep Max: 28° Average: 24° Min: 21° Oct Max: 30° Average: 24° Min: 21° Nov Max: 30° Average: 25° Min: 21° Dec Max: 32° Average: 25° Min: 19°
Max
Average
Min

Seidu sees moderate temperature variation throughout the year, ranging from 19°C to 35°C. February is the hottest month, with daytime highs reaching 35°C and an average of 28°C. January is the coolest month, with minimum temperatures around 19°C and an average of 26°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 4mm Feb Precipitation: 9mm Mar Precipitation: 70mm Apr Precipitation: 109mm May Precipitation: 204mm Jun Precipitation: 257mm Jul Precipitation: 401mm Aug Precipitation: 364mm Sep Precipitation: 381mm Oct Precipitation: 249mm Nov Precipitation: 94mm Dec Precipitation: 8mm
Precipitation

Seidu is a very wet location, receiving approximately 2150mm of precipitation annually, which averages out to around 179mm per month. The wettest month is July, averaging 401mm of rainfall. September and August also tend to see above-average precipitation. The driest month is January, with just 4mm. That's 397mm 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 1km/h Oct Wind Speed: 1km/h Nov Wind Speed: 1km/h Dec Wind Speed: 1km/h
Wind Speed

Seidu is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

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

92 days until Autumn

It is currently summer in Seidu, which began on June 21, 2026. Seidu sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 35°C, while the coldest stretch bottoms out in January near 19°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 22 to 35°C. Rainfall is heavy, totalling around 382mm across the season with a monthly average of 127mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 1022mm across the season with a monthly average of 341mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 725mm across the season with a monthly average of 242mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 19 to 35°C. Precipitation is minimal, with only around 22mm for the entire season. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 26°
Feb 28°
Mar 28°
Apr 27°
May 26°
Jun 24°
Jul 23°
Aug 23°
Sep 24°
Oct 24°
Nov 25°
Dec 25°

The best time to visit Seidu is during November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 51mm per month. By contrast, February can be uncomfortably hot with highs reaching 35°C, while January is the coldest period with lows dropping to 19°C. 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 Seidu 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
19 °C
33 °C
2 km/h
4 mm
0 cm
Feb
21 °C
35 °C
2 km/h
9 mm
0 cm
Mar
23 °C
35 °C
2 km/h
70 mm
0 cm
Apr
23 °C
32 °C
2 km/h
109 mm
0 cm
May
22 °C
30 °C
2 km/h
204 mm
0 cm
Jun Current
22 °C
29 °C
2 km/h
257 mm
0 cm
Jul
21 °C
27 °C
2 km/h
401 mm
0 cm
Aug
21 °C
27 °C
2 km/h
364 mm
0 cm
Sep
21 °C
28 °C
1 km/h
381 mm
0 cm
Oct
21 °C
30 °C
1 km/h
249 mm
0 cm
Nov
21 °C
30 °C
1 km/h
94 mm
0 cm
Dec
19 °C
32 °C
1 km/h
8 mm
0 cm
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