Biratnagar weather by month & the best time to visit
🇳🇵 Nepal · regional city · humid subtropical climate
The best time to visit Biratnagar is January — its sunniest month (Sunshine Score 91/100), with November and December close behind. Biratnagar averages about 2,215 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 6 mm of rain in January.
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- Sun hours / year
- 2,215
- Sunniest month
- January
- Peak score
- 91/100
- Rain / year
- 1,393 mm
- Midday UV at peak
- 7 (high)
- Population
- 245k
- Elevation
- 74 m

When is the best time to visit Biratnagar?
For sunshine, the best time to visit Biratnagar is January, then November and December. The dullest month is May (34/100, 128 mm of rain). The full month-by-month picture is in the table below.
How sunny is Biratnagar?
Biratnagar gets a moderate 2,215 hours of sunshine a year. 57 Sunshine Score points separate January (91) from May (34), so the month you pick matters. It ranks #15 of 18 destinations in Nepal for annual sunshine, below the national median of 2,469 hours. Rain is strongly seasonal here: roughly 63% of the year's 1,393 mm falls in the three months around August.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 91 | 24° / 75°F | 11° / 52°F | 6 mm | 3 |
| February | 90 | 28° / 82°F | 14° / 57°F | 10 mm | 5 |
| March | 70 | 34° / 93°F | 19° / 66°F | 23 mm | 6 |
| April | 41 | 37° / 99°F | 23° / 73°F | 53 mm | 7 |
| May | 34 | 37° / 99°F | 26° / 79°F | 128 mm | 7 |
| June | 39 | 36° / 97°F | 27° / 81°F | 216 mm | 7 |
| July | 64 | 32° / 90°F | 26° / 79°F | 379 mm | 7 |
| August | 64 | 32° / 90°F | 26° / 79°F | 269 mm | 7 |
| September | 64 | 31° / 88°F | 25° / 77°F | 235 mm | 7 |
| October | 79 | 30° / 86°F | 22° / 72°F | 68 mm | 6 |
| November | 91 | 28° / 82°F | 17° / 63°F | 4 mm | 5 |
| December | 91 | 24° / 75°F | 13° / 55°F | 2 mm | 3 |
See Biratnagar on the interactive sunshine globe →
Nearby places for sunshine
- Siliguri India · 108 km · best in Jan · 2,057 h sun/yr
- Saidpur Bangladesh · 183 km · best in Jan · 2,219 h sun/yr
- Kathmandu Nepal · 232 km · best in Mar · 2,569 h sun/yr
- Paro Bhutan · 237 km · best in Oct · 2,071 h sun/yr
- Patna India · 239 km · best in Nov · 2,417 h sun/yr
- Pokhara Nepal · 376 km · best in Nov · 2,469 h sun/yr
Nearest destinations
- Bhadrapur Nepal · 82 km · 2,058 h sun/yr · best in Jan
- Tumling Tar Nepal · 93 km · 2,080 h sun/yr · best in Nov
- Taplejung Nepal · 106 km · 2,080 h sun/yr · best in Apr
- Janakpur Nepal · 136 km · 2,402 h sun/yr · best in Nov
- Darbhanga India · 138 km · 2,402 h sun/yr · best in Nov
Head-to-head
How Biratnagar compares month by month: Biratnagar vs Patna · Biratnagar vs Kathmandu · Biratnagar vs Siliguri · Biratnagar vs Saidpur · all comparisons
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