Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift from April to May sees a slight increase in the average high-temperature, transitioning from a pleasant 71.6°F (22°C) to a moderately hot 80.4°F (26.9°C). May in Colusa, marked by an average low-temperature of 54.1°F (12.3°C), indicates a large temperature drop from the daytime peak.Humidity
The average relative humidity in May is 50%.Rainfall
In May, the rain falls for 4.7 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 58.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall in Colusa.Daylight
In May, the average length of the day is 14h and 20min.On the first day of May, sunrise is at 6:08 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:28 pm PDT.
Sunshine
In Colusa, the average sunshine in May is 11h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Colusa?
What is the average humidity in May in Colusa?
How many days does it rain in May in Colusa?
When it does not snow in Colusa?
How many hours of daylight does Colusa have in May?
What time are sunrise and sunset in May in Colusa?
How long on average sun shines in May in Colusa?
What is the UV index reading in May in Colusa?
Average temperature in May
Colusa, CA
- Average high temperature in May: 80.4°F
The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in May
Colusa, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Colusa, CA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Colusa, CA
- Average humidity in May: 50%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).
Average rainfall in May
Colusa, CA
- Average rainfall in May: 0.35"
The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Colusa, CA
- Average rainfall days in May: 4.7 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).
Average snowfall in May
Colusa, CA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.1").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average daylight in May /
Average sunshine in May
Colusa, CA
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Colusa, CA
- Average sunshine days in May: 25.4 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).
Average UV index in May
Colusa, CA
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Colusa, CA
- Average cloud cover in May: 20
The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Colusa, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Colusa, California, USA
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