Climate Insights for Sandwīp

Chittagong, Chittagong, Bangladesh

Hottest
May
30°C peak
Coldest
January
17°C low
Wettest
July
670mm rain
Best to Visit
January, February, December
Mild temps & low rain

Climate Overview

The climate in Sandwīp is hot. The average annual temperature is 26°C and approximately 2960mm of precipitation falls per year. July is the wettest month, receiving around 670mm of rainfall. Sandwīp is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, October. The coldest months are January, December, February, when temperatures can drop to 17°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 23° Average: 20° Min: 17° Feb Max: 25° Average: 23° Min: 20° Mar Max: 28° Average: 26° Min: 24° Apr Max: 30° Average: 28° Min: 27° May Max: 30° Average: 29° Min: 27° Jun Max: 29° Average: 28° Min: 27° Jul Max: 29° Average: 28° Min: 27° Aug Max: 29° Average: 28° Min: 27° Sep Max: 29° Average: 28° Min: 27° Oct Max: 30° Average: 28° Min: 26° Nov Max: 28° Average: 25° Min: 23° Dec Max: 25° Average: 22° Min: 19°
Max
Average
Min

Sandwīp sees moderate temperature variation throughout the year, ranging from 17°C to 30°C. The warmest month is May, when average highs reach 30°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 17°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between February and March, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 8mm Feb Precipitation: 7mm Mar Precipitation: 36mm Apr Precipitation: 83mm May Precipitation: 267mm Jun Precipitation: 569mm Jul Precipitation: 670mm Aug Precipitation: 622mm Sep Precipitation: 385mm Oct Precipitation: 245mm Nov Precipitation: 52mm Dec Precipitation: 16mm
Precipitation

Sandwīp is a very wet location, receiving approximately 2960mm of precipitation annually, which averages out to around 247mm per month. The wettest month is July, averaging 670mm of rainfall. August and June also tend to see above-average precipitation. The driest month is February, with just 7mm. That's 662mm 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: 11km/h Feb Wind Speed: 11km/h Mar Wind Speed: 13km/h Apr Wind Speed: 17km/h May Wind Speed: 16km/h Jun Wind Speed: 21km/h Jul Wind Speed: 22km/h Aug Wind Speed: 20km/h Sep Wind Speed: 15km/h Oct Wind Speed: 11km/h Nov Wind Speed: 10km/h Dec Wind Speed: 11km/h
Wind Speed

Sandwīp is mildly breezy, with an average annual wind speed of 15km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 11km/h in winter, 15km/h in spring, 21km/h in summer, 12km/h in autumn.

Seasons

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

7 days until Autumn

It is currently summer in Sandwīp, which began on June 21, 2026. Sandwīp 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 May at around 30°C, while the coldest stretch bottoms out in January near 17°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 385mm across the season with a monthly average of 128mm. Winds are moderate at around 15km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 1860mm across the season with a monthly average of 620mm. Winds are moderate at around 21km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 683mm across the season with a monthly average of 228mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 17 to 25°C. Precipitation is minimal, with only around 32mm for the entire season. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 20°
Feb 23°
Mar 26°
Apr 28°
May 29°
Jun 28°
Jul 28°
Aug 28°
Sep 28°
Oct 28°
Nov 25°
Dec 22°

The best time to visit Sandwīp is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 11mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 30°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 Sandwīp 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
17 °C
23 °C
11 km/h
8 mm
0 cm
Feb
20 °C
25 °C
11 km/h
7 mm
0 cm
Mar
24 °C
28 °C
13 km/h
36 mm
0 cm
Apr
27 °C
30 °C
17 km/h
83 mm
0 cm
May
27 °C
30 °C
16 km/h
267 mm
0 cm
Jun
27 °C
29 °C
21 km/h
569 mm
0 cm
Jul
27 °C
29 °C
22 km/h
670 mm
0 cm
Aug
27 °C
29 °C
20 km/h
622 mm
0 cm
Sep Current
27 °C
29 °C
15 km/h
385 mm
0 cm
Oct
26 °C
30 °C
11 km/h
245 mm
0 cm
Nov
23 °C
28 °C
10 km/h
52 mm
0 cm
Dec
19 °C
25 °C
11 km/h
16 mm
0 cm
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Metric (°C, km/h)