Climate Insights for Bou Merdès

Délégation de Bou Merdès, Gouvernorat de Mahdia, Tunisia

Hottest
July
36°C peak
Coldest
January
8°C low
Wettest
September
41mm rain
Best to Visit
March, April, May
Mild temps & low rain

Climate Overview

The climate in Bou Merdès is warm and mild. The average annual temperature is 21°C and approximately 277mm of precipitation falls per year. September is the wettest month, receiving around 41mm of rainfall. Bou Merdès is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 8°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 18° Average: 13° Min: 8° Feb Max: 19° Average: 14° Min: 9° Mar Max: 21° Average: 16° Min: 11° Apr Max: 23° Average: 18° Min: 13° May Max: 28° Average: 22° Min: 17° Jun Max: 32° Average: 26° Min: 21° Jul Max: 36° Average: 30° Min: 23° Aug Max: 35° Average: 29° Min: 24° Sep Max: 32° Average: 26° Min: 22° Oct Max: 27° Average: 22° Min: 18° Nov Max: 23° Average: 18° Min: 13° Dec Max: 19° Average: 14° Min: 10°
Max
Average
Min

Temperatures in Bou Merdès vary considerably across the year, with a 28°C difference between the coldest and warmest months. July is the hottest month, with daytime highs reaching 36°C and an average of 30°C. January is the coolest month, with minimum temperatures around 8°C and an average of 13°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 25mm 50mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 15mm Feb Precipitation: 32mm Mar Precipitation: 36mm Apr Precipitation: 22mm May Precipitation: 18mm Jun Precipitation: 8mm Jul Precipitation: 1mm Aug Precipitation: 21mm Sep Precipitation: 41mm Oct Precipitation: 32mm Nov Precipitation: 26mm Dec Precipitation: 24mm
Precipitation

Bou Merdès is a quite dry location, receiving approximately 277mm of precipitation annually, which averages out to around 23mm per month. The wettest month is September, averaging 41mm of rainfall. March and October also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 40mm less than September, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 18km/h Feb Wind Speed: 18km/h Mar Wind Speed: 20km/h Apr Wind Speed: 19km/h May Wind Speed: 19km/h Jun Wind Speed: 17km/h Jul Wind Speed: 16km/h Aug Wind Speed: 16km/h Sep Wind Speed: 16km/h Oct Wind Speed: 16km/h Nov Wind Speed: 16km/h Dec Wind Speed: 17km/h
Wind Speed

Bou Merdès is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h 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 Bou Merdès, which began on March 20, 2026. Bou Merdès is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 36°C, while the coldest stretch bottoms out in January near 8°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 11 to 28°C. Rainfall is relatively light, with around 76mm over the season and a monthly average of 25mm. 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 21 to 36°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 13 to 32°C. Rainfall is relatively light, with around 99mm over the season and a monthly average of 33mm. Winds are moderate at around 16km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 8 to 19°C. Rainfall is relatively light, with around 71mm over the season and a monthly average of 24mm. Winds are moderate at around 18km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 13°
Feb 14°
Mar 16°
Apr 18°
May 22°
Jun 26°
Jul 30°
Aug 29°
Sep 26°
Oct 22°
Nov 18°
Dec 14°

The best time to visit Bou Merdès is during March, April, May, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 27mm per month. By contrast, July can be uncomfortably hot with highs reaching 36°C, while January is the coldest period with lows dropping to 8°C. 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 Bou Merdès 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
8 °C
18 °C
18 km/h
15 mm
0 cm
Feb
9 °C
19 °C
18 km/h
32 mm
0 cm
Mar Current
11 °C
21 °C
20 km/h
36 mm
0 cm
Apr
13 °C
23 °C
19 km/h
22 mm
0 cm
May
17 °C
28 °C
19 km/h
18 mm
0 cm
Jun
21 °C
32 °C
17 km/h
8 mm
0 cm
Jul
23 °C
36 °C
16 km/h
1 mm
0 cm
Aug
24 °C
35 °C
16 km/h
21 mm
0 cm
Sep
22 °C
32 °C
16 km/h
41 mm
0 cm
Oct
18 °C
27 °C
16 km/h
32 mm
0 cm
Nov
13 °C
23 °C
16 km/h
26 mm
0 cm
Dec
10 °C
19 °C
17 km/h
24 mm
0 cm
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Metric (°C, km/h)