May weather forecastAlleghany, CA
May
Weather in May
The last month of the spring, May, is a comfortable month in Alleghany, California, with an average temperature varying between 63.1°F (17.3°C) and 40.6°F (4.8°C).Temperature
Alleghany's weather shows a minor temperature rise with the arrival of May, moving from a cool 55.2°F (12.9°C) in April to a refreshing 63.1°F (17.3°C). Alleghany observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 40.6°F (4.8°C) throughout the month of May.Humidity
In May, the average relative humidity is 64%.Rainfall
In May, the rain falls for 10.1 days. Throughout May, 2.48" (63mm) of precipitation is accumulated. In Alleghany, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Alleghany, California, in May, snow falls for 2.2 days, with typically accumulated 6.65" (169mm) of snow. Throughout the year, there are 53.3 snowfall days, and 151.57" (3850mm) of snow is accumulated.Daylight
In May, the average length of the day in Alleghany is 14h and 22min.On the first day of May, sunrise is at 6:03 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:24 pm PDT.
Sunshine
The average sunshine in May is 10.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alleghany, CA
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in May
Alleghany, CA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Alleghany, CA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Alleghany, CA
- Average humidity in May: 64%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in May
Alleghany, CA
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Alleghany, CA
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in May
Alleghany, CA
- Average snowfall in May: 6.65"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Alleghany, CA
- Average snowfall days in May: 2.2 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Alleghany, CA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Alleghany, CA
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in May
Alleghany, CA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Alleghany, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in May
Alleghany, CA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
