nomadseason

May Weather in Caldwell, United States

Last updated: June 24, 2025

In Caldwell, United States, the average temperature in May hovers around 20°C (68°F), with a minimum of 5°C (41°F) and a peak of 36°C (97°F). Expect about 172 mm (6.8 in) of precipitation over 13 days, contributing to an average humidity of 82%. Perfect for those who enjoy a mild climate with a touch of moisture!

May Temperature in Caldwell

In May in Caldwell, the average temperature is 20°C (68°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop as low as 5°C (41°F). This makes Caldwell an ideal destination for travelers seeking a mix of warm days and cool evenings.

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

The chart illustrates May temperature patterns in Caldwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caldwell, May typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec363751576879828075604741
Data source: Temperature data for Caldwell generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Caldwell

In Caldwell in May, the precipitation amount is 172 mm (6.8 in), which occurs over the course of 13 days.

May Precipitation Trends in Caldwell

The chart displays monthly precipitation patterns in Caldwell, 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 Caldwell, May typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec443188891721235296771272530
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Caldwell

In Caldwell in May humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.

May Average Humidity in Caldwell

This chart illustrates the average monthly humidity levels in Caldwell, 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 Caldwell is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Caldwell

In Caldwell 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 Caldwell.

Maximum UV Index Levels in Caldwell for May

The chart shows the monthly maximum UV Index (UVI) for Caldwell 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 Caldwell typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Caldwell 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 Caldwell Compares to Other Months

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

This table compares monthly weather conditions in Caldwell, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)44 mm (1.7 inches)75%moderate
February Weather3°C (37°F)31 mm (1.2 inches)76%high
March Weather10°C (51°F)88 mm (3.5 inches)67%high
April Weather14°C (58°F)89 mm (3.5 inches)70%very high
May Weather20°C (68°F)172 mm (6.8 inches)82%very high
June Weather26°C (79°F)123 mm (4.8 inches)82%extreme
July Weather28°C (82°F)51 mm (2.0 inches)81%extreme
August Weather26°C (80°F)96 mm (3.8 inches)76%very high
September Weather24°C (75°F)77 mm (3.0 inches)67%very high
October Weather15°C (60°F)127 mm (5.0 inches)72%high
November Weather9°C (48°F)25 mm (1.0 inches)80%moderate
December Weather5°C (41°F)30 mm (1.2 inches)83%moderate

Compare Caldwell's Climate with Cities Worldwide