Khulna weather in May

In May, Khulna sees average daytime highs of 34°C and overnight lows near 26°C, with 188 mm of rain across 15.7 wet days and about 13.1 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Khulna's 8th-clearest and 3rd-windiest month. For the whole year in context, see Khulna's year-round climate.

Daytime high
34°
2nd warmest
Overnight low
26°
9th coldest
Rainfall
188 mm
15.7 wet days
Daylight
13 h 06 min
5:25 AM – 6:31 PM
Cloud cover
53%
8th clearest
Wind
12 km/h
3rd windiest
Solar energy
5.33 kWh/m²
Travel score
2.8
out of 10

Khulna is 3rd largest city of Bangladesh.

Air quality
Severe
PM2.5 61.2 µg/m³ · 2018
Density
25,192/km²
people per km²
Founded
1884

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical May day in Khulna reaches about 34°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13426
23426
33426
43426
53426
63426
73426
83426
93426
103426
113426
123426
133426
143426
153426
163426
173426
183427
193427
203427
213427
223427
233427
243427
253427
263427
273427
283427
293427
303427
313427

How May really feels in Khulna

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Khulna weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°81.310.89.1
Feb28° / 17°192.811.27.5
Mar32° / 22°405.111.84.7
Apr34° / 25°11511.412.53.0
May34° / 26°18815.713.12.8
Jun33° / 27°30624.313.42.3
Jul32° / 27°34929.613.32.2
Aug32° / 27°2942912.82.3
Sep32° / 26°23525.612.12.5
Oct31° / 25°13614.511.54.2
Nov29° / 20°372.210.97.0
Dec26° / 16°100.910.68.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37327
47327
57228
67228
77129
87030
97030
106931
116832
126733
136634
146535
156436
166337
176139
186040
195842
205743
215644
225446
235347
245248
255248
265149
274951
284951
294852
304654
314555

Chance of precipitation in May

Any precipitation

Khulna gets around 188 mm of rain over 15.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
448
547
647
747
846
946
1046
1145
1245
1345
1446
1546
1647
1748
1849
1950
2051
2152
2253
2354
2455
2556
2657
2757
2858
2959
3060
3161

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the miserable band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
112772
202674
302476
402278
502179
601981
701783
801684
901486
1001387
1101288
1201090
130991
140892
150793
160793
170694
180694
190595
200595
210496
220496
230397
240397
250397
260298
270298
280298
290298
300199
310199

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:34 AM to 5:21 AM, and sunset from 6:24 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:346:24
212.95:336:24
312.95:336:25
412.95:326:25
512.95:316:26
612.95:316:26
712.95:306:27
813.05:296:27
913.05:296:28
1013.05:286:28
1113.05:286:28
1213.05:276:29
1313.05:276:29
1413.15:266:30
1513.15:266:30
1613.15:256:31
1713.15:256:31
1813.15:246:32
1913.15:246:32
2013.25:246:33
2113.25:236:33
2213.25:236:34
2313.25:236:34
2413.25:226:35
2513.25:226:35
2613.25:226:35
2713.25:216:36
2813.35:216:36
2913.35:216:37
3013.35:216:37
3113.35:216:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.33 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 5.97 kWh/m² in April across the year — May's 5.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Khulna

In seasonPeak

In May, Khulna sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

Khulna sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Khulna's monsoon runs May–September, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Khulna?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.8
Sightseeing
8th-best month of the year
5.4
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Khulna.

What to pack for Khulna in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Khulna sees daytime highs around 34°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Khulna in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Khulna peaks around July 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 15 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeHighModerateJul 20UV 13Jan 15UV 5
UV index (midday)Level
Jan5Moderate
Feb5Moderate
Mar8Very high
Apr8Very high
May10Very high
Jun8Very high
Jul13Extreme
Aug11Extreme
Sep10Extreme
Oct5High
Nov5High
Dec5Moderate

Air quality in Khulna in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Khulna is worst in January — around 129 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (July, 22 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Khulna's WHO annual average of 61.2 µg/m³.

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyJan 11128 µg/m³Jul 1722 µg/m³
PM2.5 (µg/m³)Level
Jan129Unhealthy
Feb95Unhealthy
Mar63Unhealthy
Apr38Poor
May30Moderate
Jun28Moderate
Jul22Moderate
Aug27Moderate
Sep28Moderate
Oct52Poor
Nov100Unhealthy
Dec124Unhealthy
Location & terrain

Where is Khulna?

Khulna sits at 22.8°N, 89.6°E, 8 m above sea level, in Bangladesh. The nearest listed city is Bagerhat, 29 km away.

JessoreBarisalKolkataDhakaRajshahiMymensinghChittagong

Topography around Khulna

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Khulna.

Within 3 km, the terrain around Khulna has only modest variations in elevation — a maximum elevation change of 15 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, only modest variations in elevation — a maximum elevation change of 21 m.

The land around Khulna is covered by artificial surfaces (43%) and trees (35%) within 3 km, cropland (54%) and trees (35%) within 16 km, and cropland (47%) and trees (33%) within 80 km.

3 km
15 m
16 km
19 m
80 km
21 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Bagerhat 29 km · Jessore 54 km · Barisal 83 km · Kolkata 126 km · Dhaka 132 km · Rajshahi 200 km · Mymensingh 233 km · Chittagong 239 km

Bangladesh travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / C / D / G
220 V · 50 Hz
Prices
≈ 25% of US
price level, 2025
GDP per capita
$2,597
2025
Happiness
4.3 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
2.3
per 100k, 2018
Road deaths
15.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 506
Religion
Muslim 91%Hindu 8%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Khulna (22.8098°, 89.5644°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).