Climate and monthly weather forecast
Siddharthanagar, Nepal

Characterized by the Cwa classification under the Köppen climate system, Siddharthanagar has a predominantly Humid Subtropical climate with a dry winter period. This Nepalese locale exhibits distinct seasonal variations. Monthly averages reveal a weather pattern marked by changes in temperature, rainfall, and daylight hours throughout the year.

Temperatures in Siddharthanagar fluctuate between a low of 8.8°C (47.8°F) and a high of 36.4°C (97.5°F). The coldest temperatures occur in the winter months, while the highest readings are observed during the summer. The rainfall patterns indicate a markedly dry period from November to February, with the least precipitation recorded in November at just 8mm (0.31"). Conversely, the height of the monsoon season in July is marked by heavy rainfall, topping at 546mm (21.5"). Daylight hours also see changes throughout the year, with a minimum average of 10.4 hours in December and a maximum of 13.9 hours in June.

Unique weather conditions of Siddharthanagar include the exceptionally dry winters contrasted with the heavy downpours during the monsoonal summer. The town experiences a transition from nearly rainless winters to significantly wet summers, with July accounting for the majority of the annual rainfall.

Tourists planning to explore Siddharthanagar should target the period from November to February. During these months, the weather is pleasantly mild with low rainfall. Average temperatures range from 10.2°C (50.4°F) to 28.9°C (84°F) - conducive for outdoor activities while escaping the intense heat of the summer or the monsoon season.

Visiting Siddharthanagar from June to September could result in a less than optimal experience. This period, considered the monsoon season, is characterized by heavy rains with monthly totals peaking in the range from 269mm (10.59") to 546mm (21.5"). Coupled with high temperatures from 32.2°C (90°F) to 36.4°C (97.5°F), these months prove uncomfortable for many travelers.

Springtime from March to May in Siddharthanagar witnesses an escalation in temperatures. Minimum temperatures crawl up from 14.6°C (58.3°F) to 23.6°C (74.5°F) and maximum temperatures ramp up, peaking at 36.4°C (97.5°F) in May. Daylight hours also increase, offering ample sunlit time for tourists. However, this period witnesses an uptick in precipitation, with May receiving up to 82mm (3.23") of rain.

Summer in Siddharthanagar, stretching from June to September, is synonymous with the monsoon season. Temperatures during this period, although high, remain slightly stable, between 32.2°C (90°F) to 36.1°C (97°F). Rainfall, though, registers a drastic rise from 269mm (10.59") in June to a whopping 546mm (21.5") in July.

Autumn, extending from October to November, brings a respite from the heavy rains. Temperatures gradually decrease, with averages dropping from 33°C (91.4°F) to 24.1°C (75.4°F). Rainfall also steadily decreases from a significant 254mm (10") in October to a gentle 8mm (0.31") in November.

Winter months of December to February in Siddharthanagar demonstrate prominent features such as cooler temperatures and minimal rain. Average lows plummet to 10.2°C (50.4°F) in February, while highs maintain at around 24.1°C (75.4°F) in December. Rainfall remains scarce, with February receiving the least precipitation at just 13mm (0.51"). Daylight hours decrease to 10.4 hours in December, making the days somewhat shorter.

With temperatures dipping to 8.8°C (47.8°F) at night and reaching 21°C (69.8°F) during the day, January presents itself as a pleasantly cool month in Siddharthanagar. It's a notable departure from the chill of December, making it an ideal time for those preferring a mild climate. Weather in January »

In Siddharthanagar, February showcases a beautiful blend of lowering winters and upcoming spring. Marking a clear jump in temperature from January, it still maintains modest precipitation levels. The daylight gradually increases, hinting at the arrival of longer sunny days. Weather in February »

The weather in Siddharthanagar in March witnesses a transition to warmer temperatures after the fresh cooldown in February. There's a delightful balance in climate, with temperature hikes reaching 31.3°C (88.3°F), somewhat higher compared to its predecessor's highest of 25.4°C (77.7°F). Weather in March »

April brings a clear rise in heat to Siddharthanagar against the more temperate aura of March. Reaching peak temperatures of 36.1°C (97°F), a definitive rise is felt in the mercury levels, while nights remain warm at 19.9°C (67.8°F). Weather in April »

As Siddharthanagar steers towards the hot season, May witnesses the highest temperature of the year at 36.4°C (97.5°F), a slight increase from April's peak. The city, however, embraces this seasonal shift with the onset of the long-awaited monsoon showers. Weather in May »

June presents Siddharthanagar's weather at its most tropical with substantial rainfall, significant leap from May's moderate downpour. The temperature stays high but starts lowering from the monthly peak witnessed in May. The intense rainfall, notwithstanding, outdoor activities often get limited. Weather in June »

July in Siddharthanagar, Nepal, greets a drastic spike in precipitation with 546mm (21.5") of rainfall, the highest of all months. This month generally brings a drop in temperatures, providing a relief from June's intense heat. Celebrated as the heart of the monsoon season, July's lush greenery attracts enthusiasts despite heavy showers. Weather in July »

Siddharthanagar's weather in August continues to experience substantial rainfall, but a drop from the record July levels. The temperatures remain high but relatively constant, almost identical to the temperatures of July. This incessant rainfall complements the rich, verdant landscape Siddharthanagar is famous for. Weather in August »

With September, Siddharthanagar sees a definite slowdown in rainfall, a noticeable dip from August's level. The temperatures moderate but remain favorably warm, shadowing those of August. Daylight hours start to increase, hinting towards the approaching end of the monsoon season. Weather in September »

October starts to bring back the drier climate to Siddharthanagar with rainfall further receding from that of September. The temperature also reduces significantly, transitioning from the warmer climes of September. The increase in daylight hours continues to accentuate the sense of transition to autumn. Weather in October »

November witnesses a further reduction in temperature, with the night chill becoming more prominent compared to October. Rainfall is at its lowest, marking a significant weather change from the preceding months. Daylight continues to shorten as winter draws nearer, enveloping Siddharthanagar in a scenic charm. Weather in November »

December brings the year to a close with the coldest temperatures, a noticeable dip from November. Being the peak of winter, the nights in Siddharthanagar are at their coolest at 10.2°C (50.4°F) and days warming up to 24.1°C (75.4°F). Weather in December »