Large city
1.2M
87 km²
26m
10:26 UTC+6
BDT
Sylhet enjoys 209 sunny days a year. Summers are intensely hot — air conditioning is essential. On the other hand, air quality is a concern.
Sylhet, Bangladesh is a 1.2M-resident city with 209 sunny days and 0 frost days annually and an annual PM2.5 of 42.4 µg/m³. A city in Bangladesh.
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Take the quizClimate
Feels-like °C
24
25
30
33
33
31
33
32
34
32
29
25
Dinner outside
J
F
M
A
M
J
J
A
S
O
N
D
Climate Lab·Sylhet
Monthly climate metrics across temperature, precipitation, wind, and UV.
SylhetBangladesh
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 23 | 26 | 30 | 32 | 32 | 32 | 33 | 32 | 33 | 32 | 29 | 26 | 30 |
| Daily mean°C | 19 | 21 | 25 | 28 | 28 | 28 | 29 | 28 | 30 | 28 | 25 | 20 | 26 |
| Daily low°C | 14 | 16 | 20 | 23 | 24 | 26 | 27 | 27 | 27 | 25 | 20 | 16 | 22 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 30 | 32 | 36 | 39 | 39 | 38 | 40 | 39 | 40 | 38 | 35 | 32 | 36 |
| Mean feelsDaily mean feels-like°C | 24 | 25 | 30 | 33 | 33 | 31 | 33 | 32 | 34 | 32 | 29 | 25 | 30 |
| Low feelsDaily low feels-like°C | 11 | 13 | 19 | 24 | 26 | 28 | 29 | 28 | 29 | 23 | 17 | 12 | 22 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 79 | 70 | 71 | 74 | 80 | 89 | 86 | 88 | 80 | 80 | 73 | 80 | 79 |
| Dewpoint°C | 14.0 | 14.3 | 18.6 | 22.3 | 23.6 | 25.6 | 26.0 | 26.0 | 25.9 | 24.0 | 18.9 | 15.4 | 21.2 |
| Precipitation | |||||||||||||
| Rainfallmm | 4 | 21 | 145 | 272 | 702 | 976 | 998 | 920 | 586 | 389 | 4 | 7 | 5023 |
| Rain days≥1mm | 2 | 2 | 8 | 19 | 25 | 30 | 31 | 31 | 27 | 19 | 1 | 2 | 197 |
| Wind | |||||||||||||
| Wind avgm/s | 1.0 | 1.1 | 1.4 | 1.3 | 1.3 | 1.2 | 1.3 | 1.3 | 1.0 | 1.0 | 1.0 | 0.9 | 1.2 |
| Wind gustsm/s | 1.8 | 2.1 | 2.6 | 2.5 | 2.8 | 2.3 | 2.7 | 2.5 | 2.5 | 2.2 | 2.0 | 1.8 | 2.3 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 8.7 | 9.4 | 9.7 | 9.6 | 8.0 | 4.9 | 4.7 | 4.0 | 8.0 | 8.7 | 9.0 | 9.0 | 7.8 |
| Clear skyindex | 60% | 71% | 75% | 57% | 40% | 15% | 12% | 13% | 26% | 54% | 78% | 67% | 47% |
| UV indexmax avg | 4.2 | 5.2 | 6.7 | 7.3 | 6.5 | 5.0 | 6.6 | 5.6 | 7.2 | 5.9 | 5.5 | 4.3 | 5.8 |
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High
Lifestyle Calendar·Sylhet
Outdoor living in Sylhet is seasonal. April through October are the toughest stretch. Dinner outside works 4/12 months, while even lunch outside manages 4/12 months.
SylhetBangladesh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
4/12
Dinner Outside53
Jan: 58% viability
58Feb: 73% viability
73Mar: 86% viability
86Apr: 54% viability
54May: 41% viability
41Jun: 27% viability
27Jul: 30% viability
30Aug: 30% viability
30Sep: 34% viability
34Oct: 45% viability
45Nov: 88% viability
88Dec: 69% viability
694/12
Dinner OutsideJan: 58% viability
58Feb: 73% viability
73Mar: 86% viability
86Apr: 54% viability
54May: 41% viability
41Jun: 27% viability
27Jul: 30% viability
30Aug: 30% viability
30Sep: 34% viability
34Oct: 45% viability
45Nov: 88% viability
88Dec: 69% viability
6953%
Humid
4/12
Lunch Outside37
Jan: 88% viability
88Feb: 79% viability
79Mar: 52% viability
52Apr: 21% viability
21May: 11% viability
11Jun: 4% viability
4Jul: 4% viability
4Aug: 5% viability
5Sep: 6% viability
6Oct: 18% viability
18Nov: 71% viability
71Dec: 85% viability
854/12
Lunch OutsideJan: 88% viability
88Feb: 79% viability
79Mar: 52% viability
52Apr: 21% viability
21May: 11% viability
11Jun: 4% viability
4Jul: 4% viability
4Aug: 5% viability
5Sep: 6% viability
6Oct: 18% viability
18Nov: 71% viability
71Dec: 85% viability
8537%
Humid
3/12
Walking45
Jan: 99% viability
99Feb: 91% viability
91Mar: 47% viability
47Apr: 21% viability
21May: 21% viability
21Jun: 30% viability
30Jul: 19% viability
19Aug: 26% viability
26Sep: 15% viability
15Oct: 21% viability
21Nov: 54% viability
54Dec: 95% viability
953/12
WalkingJan: 99% viability
99Feb: 91% viability
91Mar: 47% viability
47Apr: 21% viability
21May: 21% viability
21Jun: 30% viability
30Jul: 19% viability
19Aug: 26% viability
26Sep: 15% viability
15Oct: 21% viability
21Nov: 54% viability
54Dec: 95% viability
9545%
Humid
0/12
Running15
Jan: 60% viability
60Feb: 38% viability
38Mar: 9% viability
9Apr: 5% viability
5May: 3% viability
3Jun: 5% viability
5Jul: 2% viability
2Aug: 4% viability
4Sep: 1% viability
1Oct: 3% viability
3Nov: 13% viability
13Dec: 42% viability
420/12
RunningJan: 60% viability
60Feb: 38% viability
38Mar: 9% viability
9Apr: 5% viability
5May: 3% viability
3Jun: 5% viability
5Jul: 2% viability
2Aug: 4% viability
4Sep: 1% viability
1Oct: 3% viability
3Nov: 13% viability
13Dec: 42% viability
4215%
Heat
Tap any month for details · Click activity name for overview
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High
