May weather forecastRedding, CA
May
Weather in May
May in Redding, California, signifies the actual commencement of summer. The dry season begins with a significant decrease in rainfall to 1.42" (36mm), and the temperature begins to significantly increase. The amount of daylight keeps enhancing, marking more extended periods of clear skies and a decreased percentage of cloud cover. The city experiences a distinct transition from the mild weather of April, embracing the start of the hot, dry summer season. However, wind speeds keep their pace, providing mild respite from the emerging summer heat.Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from a comfortable 65.5°F (18.6°C) to a warm 74.7°F (23.7°C). May's nights exhibit a sharp contrast from day highs, with an average temperature of 49.1°F (9.5°C).Humidity
In May, the average relative humidity is 55%.Rainfall
In Redding, during May, the rain falls for 8.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 92.2 rainfall days, and 20.16" (512mm) of precipitation is accumulated.Snowfall
In Redding, snow does not fall in January, April through November.Daylight
The average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:33 pm PDT.
Sunshine
The average sunshine in May is 11.1h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Redding, CA
- Average high temperature in May: 74.7°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in May
Redding, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in May
Redding, CA
- Average wind speed in May: 5mph
The windiest months (with the highest average wind speed) are March and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.3mph).
Average humidity in May
Redding, CA
- Average humidity in May: 55%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is August (33%).
Average rainfall in May
Redding, CA
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is March (3.94").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Redding, CA
- Average rainfall days in May: 8.8 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in May
Redding, CA
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Redding, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Redding, 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: 11h and 6min
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 30min).
Average sunshine days in May
Redding, CA
- Average sunshine days in May: 19.7 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in May
Redding, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in May
Redding, CA
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in May
Redding, 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).
