May Weather in Siwan, India

Last updated: August 23, 2025

In Siwan, India, the average temperature in May hovers around 31°C (89°F), with a minimum of 21°C (69°F) and a scorching maximum of 43°C (110°F). During this month, expect a total precipitation of 69 mm (2.7 in) spread across 6 days. The average humidity remains relatively low at 36%, making it a warm yet comfortable time to enjoy the outdoors!

May Temperature in Siwan

In May in Siwan, the average temperature is 31°C (89°F). Maximums can reach 43°C (110°F), and minimums can be as low as 21°C (69°F). Be prepared for a warm and potentially scorching climate, so pack lightweight clothing and stay hydrated while exploring.

May Weather in Siwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Siwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siwan, May typically has an average temperature of 31°C (89°F), with highs reaching up to 43°C (110°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec596677878989868685817262
Data source: Temperature data for Siwan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Siwan

In Siwan in May, the precipitation amount is 69 mm (2.7 in) over a period of 6 days.

May Precipitation Trends in Siwan

The chart displays monthly precipitation patterns in Siwan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Siwan, May typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec101010146918343933725056021
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Siwan

In Siwan in May, humidity is 36%. With an average temperature of 31°C (89°F), this humidity feels like a warm embrace, making it quite pleasant for outdoor adventures and sightseeing.

May Average Humidity in Siwan

This chart illustrates the average monthly humidity levels in Siwan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Siwan is approximately 36%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%55%39%24%36%65%90%91%91%86%79%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Siwan

In Siwan in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Siwan.

Maximum UV Index Levels in Siwan for May

The chart shows the monthly maximum UV Index (UVI) for Siwan in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Siwan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101010121111965
Data source: Siwan May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Siwan Compares to Other Months

Weather in Siwan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Siwan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Siwan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)10 mm (0.4 inches)65%moderate
February Weather19°C (66°F)10 mm (0.4 inches)55%high
March Weather25°C (77°F)10 mm (0.4 inches)39%very high
April Weather30°C (87°F)14 mm (0.5 inches)24%very high
May Weather31°C (89°F)69 mm (2.7 inches)36%very high
June Weather32°C (89°F)183 mm (7.2 inches)65%very high
July Weather30°C (86°F)439 mm (17.3 inches)90%extreme
August Weather30°C (86°F)337 mm (13.3 inches)91%extreme
September Weather29°C (85°F)250 mm (9.8 inches)91%extreme
October Weather27°C (81°F)56 mm (2.2 inches)86%very high
November Weather22°C (72°F)0 mm (0.0 inches)79%high
December Weather17°C (63°F)21 mm (0.8 inches)75%moderate

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