May weather forecastHumboldt Hill, CA
May
Weather in May
May, the last month of the spring in Humboldt Hill, is also a moderate month, with an average temperature ranging between max 60.4°F (15.8°C) and min 45.9°F (7.7°C).Temperature
The transition into May is marked with an average high-temperature of a still refreshing 60.4°F (15.8°C), showing an insignificant shift from April's 56.5°F (13.6°C). May nights are marked by an average temperature drop to a frosty 45.9°F (7.7°C).Humidity
In May, the average relative humidity in Humboldt Hill is 80%.Rainfall
In May, the rain falls for 7.8 days. Throughout May, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 114.7 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 6:14 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:41 pm PDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 in May translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Humboldt Hill, CA
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in May: 45.9°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (41.9°F).
Average pressure in May
Humboldt Hill, CA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Humboldt Hill, CA
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Humboldt Hill, CA
- Average humidity in May: 80%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Humboldt Hill, CA
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Humboldt Hill, CA
- Average rainfall days in May: 7.8 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in May
Humboldt Hill, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Humboldt Hill, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Humboldt Hill, CA
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in May
Humboldt Hill, CA
- Average sunshine days in May: 21.8 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in May
Humboldt Hill, CA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in May
Humboldt Hill, CA
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Humboldt Hill, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





