May Weather in Deltana, United States

Last updated: June 24, 2025

In May, the average temperature in Deltana, United States hovers around 6°C (42°F). Expect the minimum to dip to -7°C (20°F), while the maximum can reach up to 19°C (66°F). During this period, precipitation averages 64 mm (2.5 in) over 13 days, accompanied by a notable average humidity of 87%.

May Temperature in Deltana

In May in Deltana, the average temperature is 6°C (42°F), with maximums reaching 19°C (66°F) and minimums dipping as low as -7°C (20°F). It's essential to dress in layers to stay comfortable while exploring the area's winter charm.

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

The chart illustrates May temperature patterns in Deltana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deltana, May typically has an average temperature of 6°C (42°F), with highs reaching up to 19°C (66°F) and lows dropping to around -7°C (20°F).

Data source: Temperature data for Deltana generated using information from the Copernicus Climate Change Service.

May Precipitation in Deltana

In Deltana in May, the precipitation amount is 64 mm (2.5 in) spread over 13 days.

May Precipitation Trends in Deltana

The chart displays monthly precipitation patterns in Deltana, 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 Deltana, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Deltana

In Deltana in May humidity is 87%. With an average temperature of 6°C (42°F), this humidity feels like a persistent chill that seeps into your bones, making it uncomfortable for traveling and leaving you longing for warmth at every turn.

May Average Humidity in Deltana

This chart illustrates the average monthly humidity levels in Deltana, 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 Deltana is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Deltana

In Deltana in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Deltana.

Maximum UV Index Levels in Deltana for May

The chart shows the monthly maximum UV Index (UVI) for Deltana 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 Deltana typically reaches 7, which falls under the high exposure category.

Data source: Deltana 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 Deltana Compares to Other Months

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

This table compares monthly weather conditions in Deltana, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (0°F)	20 mm (0.8 inches)	95%	low
February Weather	-17°C (3°F)	24 mm (0.9 inches)	93%	low
March Weather	-12°C (10°F)	27 mm (1.1 inches)	93%	moderate
April Weather	-3°C (27°F)	29 mm (1.1 inches)	91%	moderate
May Weather	6°C (42°F)	64 mm (2.5 inches)	87%	high
June Weather	11°C (53°F)	105 mm (4.1 inches)	86%	high
July Weather	13°C (56°F)	85 mm (3.4 inches)	93%	high
August Weather	10°C (51°F)	125 mm (4.9 inches)	94%	high
September Weather	5°C (41°F)	62 mm (2.4 inches)	94%	moderate
October Weather	-4°C (26°F)	61 mm (2.4 inches)	97%	low
November Weather	-14°C (7°F)	42 mm (1.7 inches)	99%	low
December Weather	-14°C (7°F)	42 mm (1.6 inches)	96%	low