Narail, Bangladesh experiences average highs of 30°C (86°F) and lows of 22°C (72°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Narail, Bangladesh Weather & Climate 2026
Monthly climate averages for Narail, Bangladesh. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5/10
Best: January, February, November, December
UV Index
7
High
Temperature 30°C / 22°C
Feels Like 34°C / 25°C
Rainy Days 13
Rainfall 142 mm
Sunshine 9 h
Humidity 77%
Wind Speed 12 km/h
Dew Point 22°C
Hottest Month
35°C
April
Avg Low 24°C
Rain 11 days
Coldest Month
13°C
January
Avg High 24°C
Rain 1 days
Driest Month
1 days
January
Avg High 24°C
Avg Low 13°C
Windiest Month
16 km/h
July (Gusts 34)
Worst Time to Visit
Consider avoiding May, June, July, August due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:25
Daylight 13.4h
Sunset 18:51
Live conditions —
Narail on the map · live conditions
Narail, Bangladesh
- Continent
- Asia
- Country
- Bangladesh
- City
- Narail
- Population
- 55.1K
- Coordinates
- 23.16°, 89.50°
Seasonal Breakdown
Spring
Mar–May
Avg High 33°C
Avg Low 23°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 32°C
Avg Low 26°C
Rain 26 days/mo
Autumn
Sep–Nov
Avg High 30°C
Avg Low 22°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 26°C
Avg Low 14°C
Rain 1 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 24°C / 13°C . Feb: 28°C / 16°C . Mar: 32°C / 20°C . Apr: 35°C / 24°C . May: 34°C / 26°C . Jun: 32°C / 26°C . Jul: 31°C / 26°C . Aug: 31°C / 26°C . Sep: 31°C / 26°C . Oct: 31°C / 23°C . Nov: 28°C / 18°C . Dec: 25°C / 15°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 5 mm. Feb: 17 mm. Mar: 46 mm. Apr: 108 mm. May: 225 mm. Jun: 266 mm. Jul: 291 mm. Aug: 323 mm. Sep: 213 mm. Oct: 149 mm. Nov: 34 mm. Dec: 27 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 67%. Mar: 67%. Apr: 71%. May: 79%. Jun: 84%. Jul: 86%. Aug: 86%. Sep: 86%. Oct: 84%. Nov: 74%. Dec: 73%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 11 km/h . Mar: 12 km/h . Apr: 15 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 16 km/h . Aug: 15 km/h . Sep: 13 km/h . Oct: 10 km/h . Nov: 9 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 11h. Apr: 11h. May: 10h. Jun: 8h. Jul: 8h. Aug: 8h. Sep: 8h. Oct: 9h. Nov: 9h. Dec: 9h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 6. Feb: UV 7. Mar: UV 8. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 7. Oct: UV 7. Nov: UV 6. Dec: UV 5.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Apr 2025 · 34°C | Apr · 35°C |
| Coldest month | Jan 2025 · 13°C | Jan · 13°C |
| Wettest month | Jul 2025 · 402 mm | Aug · 323 mm |
| Windiest month | Jul 2025 · 15 km/h | Jul · 16 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Poor May
Wet June
Wet July
Wet August
Wet September
Wet October
Fair November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 24°C / 13°C | 25°C / 12°C | 1days (5 mm) Excellent | 9.5h Good | 72% Muggy | 5.7 High | Excellent | View Details |
| February best | 28°C / 16°C | 29°C / 16°C | 2days (17 mm) Excellent | 10.1h Excellent | 67% Muggy | 6.8 High | Excellent | View Details |
| March | 32°C / 20°C | 35°C / 23°C | 6days (46 mm) Good | 10.6h Excellent | 67% Muggy | 7.9 Very High | Good | View Details |
| April | 35°C / 24°C | 40°C / 29°C | 11days (108 mm) Wet | 10.9h Excellent | 71% Muggy | 8.5 Very High | Poor | View Details |
| May | 34°C / 26°C | 39°C / 31°C | 18days (225 mm) Wet | 10.1h Excellent | 79% Humid | 8.2 Very High | Wet | View Details |
| June | 32°C / 26°C | 39°C / 32°C | 23days (266 mm) Wet | 8.3h Good | 84% Humid | 7.8 Very High | Wet | View Details |
| July | 31°C / 26°C | 38°C / 31°C | 28days (291 mm) Wet | 7.9h Good | 86% Very Muggy | 7.5 Very High | Wet | View Details |
| August | 31°C / 26°C | 37°C / 31°C | 26days (323 mm) Wet | 7.7h Good | 86% Very Muggy | 7.4 Very High | Wet | View Details |
| September | 31°C / 26°C | 38°C / 31°C | 24days (213 mm) Wet | 8.4h Good | 86% Very Muggy | 7.1 Very High | Wet | View Details |
| October | 31°C / 23°C | 36°C / 28°C | 13days (149 mm) Wet | 8.9h Good | 84% Humid | 6.7 High | Fair | View Details |
| November best | 28°C / 18°C | 31°C / 20°C | 2days (34 mm) Excellent | 9.4h Good | 74% Muggy | 5.9 High | Excellent | View Details |
| December best | 25°C / 15°C | 26°C / 15°C | 1days (27 mm) Excellent | 9.3h Good | 73% Muggy | 5.1 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Narail are January, February, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Narail, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Narail is April, with average daytime highs of 35°C (94°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Narail is January, with average overnight lows of 13°C (55°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Narail is August, averaging 323mm of precipitation across 26 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Narail runs through July, August, September, June, with the heaviest rainfall in July. Based on 10-year averages for Narail.
Narail receives approximately 111 sunshine hours per year. The sunniest month is April with around 11 hours. Based on climate data for Narail.
The least favorable months to visit Narail are May, June, July, August, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, November, December instead.
The annual average UV index in Narail is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Narail is 77%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Narail are 12 km/h (7 mph). The windiest month is July with peak winds reaching 16 km/h (10 mph) (gusts up to 34 km/h / 21 mph).
Narail averages 8 clear-sky days per month with overall cloud cover around 51%. The clearest skies occur in January.
The annual average dew point in Narail is 22°C (72°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Narail has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Narail ranges from 25°C (77°F) to 34°C (93°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
July is not the best time to visit Narail, with a climate score of 1.4/10. Consider visiting during January, February, November, December instead for better conditions.
For July in Narail, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 31°C (89°F) and 28 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: