Dharan climate
Dharan (Nepal) has a monsoon-influenced humid subtropical climate (Köppen Cwa). The average temperature over the year is 24 °C76 °F, and about 1,231 mm48 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Dharan climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2272 | 1152 | 1762 | 60.2 |
| Feb | 2678 | 1356 | 1967 | 110.4 |
| Mar | 3087 | 1763 | 2475 | 230.9 |
| Apr | 3493 | 2170 | 2882 | 491.9 |
| May | 3493 | 2474 | 2984 | 1194.7 |
| Jun | 3492 | 2578 | 2985 | 1867.3 |
| Jul | 3188 | 2578 | 2883 | 33513 |
| Aug | 3188 | 2577 | 2883 | 2459.6 |
| Sep | 3086 | 2475 | 2781 | 1977.7 |
| Oct | 2883 | 2170 | 2576 | 552.2 |
| Nov | 2678 | 1762 | 2170 | 30.1 |
| Dec | 2373 | 1355 | 1864 | 30.1 |
| Year | 3493 | 1152 | 2476 | 1,23148 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 50% | 32% | 3.2 | 10:37 |
| Feb | 44% | 36% | 4.2 | 11:13 |
| Mar | 37% | 40% | 5.3 | 11:56 |
| Apr | 42% | 47% | 5.8 | 12:46 |
| May | 59% | 59% | 5.7 | 13:27 |
| Jun | 74% | 76% | 4.9 | 13:49 |
| Jul | 87% | 87% | 4.4 | 13:40 |
| Aug | 88% | 83% | 4.6 | 13:05 |
| Sep | 87% | 72% | 4.3 | 12:16 |
| Oct | 78% | 41% | 4.5 | 11:28 |
| Nov | 66% | 21% | 4.0 | 10:47 |
| Dec | 58% | 23% | 3.3 | 10:28 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Dharan is like
The warmest month is June, with an average high of 34 °C92 °F and a low of 25 °C78 °F. The coldest is January, when highs average 22 °C72 °F and lows 11 °C52 °F. There is a clear seasonal cycle, with 13 °C23.3 °F between the average temperature of the warmest and the coolest month.
It is wet, with about 1,231 mm48 in of precipitation per year. The wettest three-month stretch is July–September, which brings 63% of the annual total. Months with less than 20 mm0.8 in on average: November–February. The wettest month is July (335 mm13 in), the driest is December (3 mm0.1 in).
Relative humidity ranges from 37% in March to 88% in August. The clearest skies (lowest average cloud amount, 21%) are typical of November. Average wind speed near the ground ranges from 4 km/h (2 mph) in December to 7 km/h (4 mph) in April. Daylight lasts from about 10.5 hours in December to 13.8 hours in June.
Best time to visit Dharan
Based on these averages, the most comfortable months for sightseeing and outdoor activities are October–February: average highs of 22 °C72 °F to 28 °C83 °F with 3 mm0.1 in to 55 mm2.2 in of precipitation per month.
The most challenging month is July, which is hot, with average highs of 31 °C88 °F, very wet (335 mm13 in) and humid (87% relative humidity).
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Dharan
- Winter (December–February) — highs 2272 to 26 °C78 °F, lows 1152 to 13 °C56 °F, about 7 mm0.3 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
- Spring (March–May) — highs 3087 to 34 °C93 °F, lows 1763 to 24 °C74 °F, about 63 mm2.5 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
- Summer (June–August) — highs 3188 to 34 °C92 °F, lows around 25 °C77 °F, about 255 mm10 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water and a good rain jacket or umbrella and quick-drying shoes.
- Autumn (September–November) — highs 2678 to 30 °C86 °F, lows 1762 to 24 °C75 °F, about 85 mm3.3 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses.
How Dharan compares
Compared with Biratnagar, about 40 km to the south, Dharan is on average 1.4 °C2.6 °F cooler and receives 12% less precipitation (1,231 mm48 in vs 1,394 mm55 in). The difference is largest in April (2.7 °C4.8 °F cooler).
Of the 13 places in Nepal covered by World Climates, Dharan is the 9th warmest by annual mean temperature and the 8th wettest by annual precipitation. See all of them on the Nepal climate page.
Places in other countries with the most similar temperature and rainfall pattern: Siliguri (India, Cwa), Kishanganj (India, Cwa) and Purnia (India, Cwa).
Nearby places
- Biratnagar 40 km · 26 °C79 °F · 1,394 mm55 in
- Lahan 80 km · 26 °C78 °F · 1,104 mm43 in
- Darjiling 101 km · 13 °C56 °F · 1,545 mm61 in
- Kishanganj 104 km · 25 °C77 °F · 1,701 mm67 in
- Siliguri 115 km · 25 °C77 °F · 1,774 mm70 in
- Purnia 117 km · 25 °C78 °F · 1,348 mm53 in
- Saharsa 125 km · 26 °C78 °F · 1,164 mm46 in
- Janakpur 135 km · 26 °C78 °F · 1,145 mm45 in
Frequently asked questions
What is the warmest month in Dharan?
June is the warmest month in Dharan, with an average high of 34 °C (92 °F) and an average low of 25 °C (78 °F).
What is the coldest month in Dharan?
January is the coldest month, with an average high of 22 °C (72 °F) and an average low of 11 °C (52 °F).
When does it rain the most in Dharan?
July is the wettest month with about 335 mm (13.2 in) of precipitation; December is the driest with about 3 mm (0.1 in).
What is the best time to visit Dharan?
Judging by long-term averages, the most comfortable months are October–February.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 1,047 m, while Dharan lies at about 375 m. Temperatures on this page were therefore adjusted by +4.4 °C7.9 °F using the standard lapse rate of 6.5 °C per 1,000 m.