Climate and monthly weather forecastRangamati, Bangladesh
Climate and monthly weather forecast
The climate of Rangamati
Nested within the country of Bangladesh is the picturesque town of Rangamati. Its placement in the heart of South Asia imparts it a Tropical monsoon climate, termed as Am under the Köppen climate classification. This climate regime is characterized by high annual rainfall and humidity combined with warm temperatures all year round.The monthly average temperatures range from 25.8°C (78.4°F) in January to 37.4°C (99.3°F) in April. The summer months of March to June are the hottest with temperatures peaking at 37.4°C (99.3°F) in April. However, the winter months of December to February offer a comparatively cooler climate with temperatures between 25.8°C (78.4°F) and 28.8°C (83.8°F). The nights cool down significantly with minimum temperatures ranging from 13.9°C (57°F) in January to a high of 27.5°C (81.5°F) in June.
In terms of precipitation, Rangamati records heavy rainfall months from April to September, with a peak monthly average of 264mm (10.39") in July. The dry season extends from December to February, with extremely low rainfall of 3mm (0.12") to 4mm (0.16"). The town experiences occasional showers throughout the year, recording the highest number of rainfall days in July (28.4 days) and the least in December (1.1 days).
The high humidity levels in Rangamati, ranging from a low of 35% in March to 80% in September, mirror the typical tropical monsoon climate. This sky-high humidity in conjunction with consistent high temperatures contributes to the semi-lush green ambience surrounding the precinct.
The best time to visit Rangamati
Planning a trip to Rangamati should be based on weather preferences, the months between November and February are generally considered best for touring. During this time, the weather is pleasant, with average temperatures ranging from 26°C (78.8°F) to 28.8°C (83.8°F), and the lowest recorded monthly rainfall of 2mm (0.08") to 4mm (0.16"). Days filled with a good deal of sunshine, averagely 9.5 hours in November, offer warm and delightful holiday weather.The worst time to visit Rangamati
For travellers not fond of heavy rainfall and high humidity, the months from June to September could be quite challenging. These months observe the highest rainfalls with monthly averages ranging from 190mm (7.48") in June to 264mm (10.39") in July. Moreover, the average daily sunshine durations are significantly low at 7.8 hours in September. High temperatures (up to 35.6°C (96.1°F)) coupled with exceedingly high humidity levels (up to 80%) during these months may discourage outdoor activities and sightseeing.Spring weather in Rangamati
The spring season in Rangamati lasts from March to May. At this time of the year, the temperatures range from 30°C (86°F) to 37.4°C (99.3°F). The weather becomes progressively warmer, culminating in the highest average temperatures of the year in May. Rainfall starts to pick up, with April and May recording 60mm (2.36") and 133mm (5.24") on average respectively. The spring season also marks the increase in humidity, from 35% in March to 62% in May.Summer weather in Rangamati
Through June, July, and August, Rangamati experiences a typical tropical monsoon summer characterized by high temperatures, heavy rainfall, and high humidity. The town witnesses its highest rainfall during this period, with maximum rainfall of 264mm (10.39") in July. High levels of humidity, ranging from 70% to 78%, enforce a warm, heavily moist climate. Temperatures remain relatively high, ranging from 33.2°C (91.8°F) to 35.6°C (96.1°F), with nights marginally cooler at 26.8°C (80.2°F) to 27.5°C (81.5°F).Autumn weather in Rangamati
The autumn months from September to November note a decline in rainfall, humidity, and temperature levels. Average temperatures drop from 32.5°C (90.5°F) in September to 28.8°C (83.8°F) in November. Rainfall decreases significantly with November experiencing low rainfall of only 2mm (0.08"), marking the beginning of the dry season. Humidity also subsides in this phase, shedding from 80% in September to 65% in November.Winter weather in Rangamati
Rangamati's winter season, spanning from December to February, offers milder climatic conditions in comparison to the rest of the year. Temperatures in these months range from 25.8°C (78.4°F) to 28.8°C (83.8°F). The nights get cooler with temperatures falling to as low as 13.9°C (57°F) in January. Rainfall is minimal, ranging from 3mm (0.12") in December to 4mm (0.16") in February, thereby making the winter season the driest part of the year. The lower humidity levels, ranging from 50% to 56%, contribute to a relatively cool and appreciable winter climate in Rangamati, perfectly suitable for strolling and exploring the beauties of this secluded town.Weather in January
January in Rangamati, Bangladesh, is characterized by cooling temperatures and limited rainfall. It marks a transition from the dry and warmer months at the end of the previous year. There is a noticeable increase in the average high temperature from 25.8°C (78.4°F) in January to 30°C (86°F) in February. Weather in January »Weather in February
As Rangamati transitions into February, both temperatures and humidity steadily rise. The weather begins to shift towards a more tropical climate than in January. With the average high temperature increasing to 30°C (86°F), February becomes a warmer month, leading to a boost in flora. Weather in February »Weather in March
March in Rangamati signifies the onset of the tropical climate, with mounting temperatures and decreasing relative humidity. The city transitions from the crisp air of February to a more humid atmosphere. The most notable change comes in the form of elevated temperatures, with the maximum temperature soaring to 34.6°C (94.3°F). Weather in March »Weather in April
Typically, April marks the onset of a warmer climate in Rangamati, as it leads Bangladesh into the hotter months of the year. An upward trend in rainfall is also observed, indicative of the incoming monsoon season. In stark contrast to March, rainfall observes a substantial leap, reaching 60mm (2.36") over nearly 14 days. Weather in April »Weather in May
May brings with it the signs of the impending monsoon season in Rangamati. Weather patterns indicate more frequent showers and a gradual increase in humidity levels. The high temperature remains steady without much variation from April, but the rainfall levels see a drastic rise from 60mm (2.36") to 133mm (5.24"). Weather in May »Weather in June
The entry into June marks the full bloom of the monsoon, bringing changes in the weather pattern of Rangamati. The city witnesses an increase in atmospheric temperature, relative humidity, and rainfall. This weather change reaches its peak as the temperature soars to 35.6°C (96.1°F), paired with a relative humidity of 70%. Weather in June »Weather in July
July, in Rangamati, is synonymous with high temperatures, increased precipitation, and a relative surge in humidity. While the temperature sees a marginal decline from June, the precipitation levels reach an all-time high. The region experiences its highest rainfall in July, with a rainfall volume of 264mm (10.39") distributed over 28 days. Weather in July »Weather in August
As Rangamati moves from July to August, the overall weather patterns remain relatively constant, with a minor decrease in temperature. The city continues to experience a significant amount of rainfall, and the humidity remains relatively high. Weather in August »Weather in September
The weather in September ushers Rangamati towards the end of the monsoon, with a noticeable decrease in rainfall. There's a downward trend in precipitation and atmospheric temperature. However, the rainfall levels continue to be substantial, with an average volume of 195mm (7.68") throughout the month. Weather in September »Weather in October
October in Rangamati sees a significant decrease in rainfall, marking the end of the monsoon season. The month experiences a decline in precipitation and temperature, leading to a more agreeable climate than September. On average, the city observes a marked drop in rainfall to 63mm (2.48"), occurring over approximately 11 days. Weather in October »Weather in November
As Rangamati transitions into November, a significant drop in temperatures and rainfall marks the tail end of the year. It's a break from the late monsoon showers of October, and the city by now has cooled off considerably. A massive reduction in rainfall down to just 2mm (0.08") over about two days is recorded. Weather in November »Weather in December
December brings Rangamati to the close of the year with the city experiencing its coolest temperatures. There is a stark contrast between the weather of November and December, with the onset of a more chilled climate. It continues to witness the least precipitation, with rainfall being as low as 4mm (0.16") over just a single day. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rangamati, Bangladesh
The warmest month (with the highest average high temperature) is April (37.4°C).
The month with the lowest average high temperature is January (25.8°C).
The month with the highest average low temperature is June (27.5°C).
The coldest month (with the lowest average low temperature) is January (13.9°C).
Average pressure
Rangamati, Bangladesh
- Average pressure in January:
1015mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1009.3mbar - Average pressure in April:
1005.8mbar - Average pressure in May:
1003mbar - Average pressure in June:
999.4mbar
- Average pressure in July:
999.6mbar - Average pressure in August:
1001.1mbar - Average pressure in September:
1004.3mbar - Average pressure in October:
1009mbar - Average pressure in November:
1012.3mbar - Average pressure in December:
1014.2mbar
The month with the highest atmospheric pressure is January (1015mbar).
The month with the lowest atmospheric pressure is June (999.4mbar).
Average wind speed
Rangamati, Bangladesh
- Average wind speed in January:
7.2km/h - Average wind speed in February:
7.6km/h - Average wind speed in March:
7.8km/h - Average wind speed in April:
8.5km/h - Average wind speed in May:
9.4km/h - Average wind speed in June:
9.4km/h
- Average wind speed in July:
10.2km/h - Average wind speed in August:
9km/h - Average wind speed in September:
7.3km/h - Average wind speed in October:
5.9km/h - Average wind speed in November:
6.2km/h - Average wind speed in December:
6.7km/h
The windiest month (with the highest average wind speed) is July (10.2km/h).
The calmest month (with the lowest average wind speed) is October (5.9km/h).
Average humidity
Rangamati, Bangladesh
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (35%).
Average rainfall
Rangamati, Bangladesh
The wettest month (with the highest rainfall) is July (264mm).
The driest month (with the least rainfall) is November (2mm).
Average rainfall days
Rangamati, Bangladesh
- Average rainfall days in January:
1.8 days - Average rainfall days in February:
2.2 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
20.8 days - Average rainfall days in June:
25.3 days
- Average rainfall days in July:
28.4 days - Average rainfall days in August:
26 days - Average rainfall days in September:
24.6 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
2.1 days - Average rainfall days in December:
1.1 days
The month with the highest number of rainy days is July (28.4 days).
The month with the least rainy days is December (1.1 days).
Average daylight / Average sunshine
Rangamati, Bangladesh
- Average daylight in January:
10h and 54min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 30min
- Average daylight in July:
13h and 24min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
7h and 30min - Average sunshine in February:
7h and 36min - Average sunshine in March:
9h and 36min - Average sunshine in April:
9h and 54min - Average sunshine in May:
11h and 0min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
8h and 12min - Average sunshine in August:
8h and 30min - Average sunshine in September:
7h and 48min - Average sunshine in October:
8h and 54min - Average sunshine in November:
9h and 30min - Average sunshine in December:
7h and 30min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 7h and 30min).
Average sunshine days
Rangamati, Bangladesh
- Average sunshine days in January:
28.8 days - Average sunshine days in February:
25.8 days - Average sunshine days in March:
24.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
7.3 days - Average sunshine days in June:
3.8 days
- Average sunshine days in July:
1.8 days - Average sunshine days in August:
3.3 days - Average sunshine days in September:
4 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
26.9 days - Average sunshine days in December:
29.5 days
The month with the most sunshine days is December (29.5 days).
The month with the least sunshine days is July (1.8 days).
Average UV index
Rangamati, Bangladesh
The month with the highest UV index is May (UV index 8).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover
Rangamati, Bangladesh
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 8).
Average visibility
Rangamati, Bangladesh
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).





