May weather forecast and climate
Redding, CA

The last month of the spring, May, is a warm month in Redding, California, with average temperature ranging between min 49.1°F (9.5°C) and max 74.7°F (23.7°C).

Temperature

In May, the average high-temperature rises, from an enjoyable 65.5°F (18.6°C) in April, to a moderately hot 74.7°F (23.7°C). In Redding, California, the average low-temperature is 49.1°F (9.5°C).

Humidity

The average relative humidity is 55%.

Rainfall

In May, in Redding, the rain falls for 8.8 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 92.2 rainfall days, and 20.16" (512mm) of precipitation is accumulated.

Snowfall

January, April through November are months without snowfall.

Daylight

The average length of the day is 14.5h.

Sunshine

In May, the average sunshine in Redding, California, is 11.1h.

UV index

In Redding, 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 the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Redding?

In Redding, in May, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in May in Redding?

In May, the average relative humidity in Redding, California, is 55%.

How many days does it rain in May in Redding?

In Redding, during May, the rain falls for 8.8 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Redding?

In Redding snow does not fall in January, April through November.

What is the average length of the day in May in Redding?

In May, the average length of the day in Redding is 14.5h.

How long on average sun shines in May in Redding?

In May, the average sunshine in Redding, California, is 11.1h.

How high is the UV index in May in Redding?

In May, the average daily maximum UV index in Redding, California, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
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"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.92").

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").
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).
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: 14.5h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 11.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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

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).
Months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in May - Redding, CA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).