May weather forecast and climate
Foresthill, CA

Weather in May

May, the last month of the spring, in Foresthill, is an agreeable month, with average temperature ranging between max 68°F (20°C) and min 45.1°F (7.3°C).

Temperature

In Foresthill, the average high-temperature marginally rises, from a moderate 60.4°F (15.8°C) in April, to a pleasant 68°F (20°C). In May, in Foresthill, California, the average low-temperature is 45.1°F (7.3°C).

Humidity

In Foresthill, California, the average relative humidity in May is 62%.

Rainfall

In Foresthill, California, during 9.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Foresthill, there are 85.5 rainfall days, and 35.94" (913mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Foresthill are January through May, November and December. May is the last month it regularly snows in Foresthill, California. During 0.2 snowfall days, Foresthill aggregates 0.24" (6mm) of snow. In Foresthill, California, during the entire year, snow falls for 22.8 days, and aggregates up to 56.06" (1424mm) of snow.

Daylight

In May, the average length of the day in Foresthill is 14.3h.

Sunshine

In May, the average sunshine in Foresthill is 10.7h.

UV index

In Foresthill, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in May in Foresthill?

In May, the average high-temperature is 68°F (20°C), and the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in May in Foresthill?

In Foresthill, the average relative humidity in May is 62%.

How much does it rain in Foresthill in May?

In Foresthill, California, during May, the rain falls for 9.3 days and regularly aggregates up to 2.2" (56mm) of precipitation.

What is the last month it snows in Foresthill?

May is the last month it regularly snows in Foresthill, California. During 0.2 snowfall days, in May, Foresthill aggregates 0.24" (6mm) of snow.

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

The average length of the day in May in Foresthill, California, is 14.3h.

How long on average sun shines in May in Foresthill?

The average sunshine in May in Foresthill, California, is 10.7h.

What is the UV index reading in May in Foresthill?

In May, the average daily maximum UV index in Foresthill, California, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in May
Foresthill, CA

Average temperature in May - Foresthill, CA
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

[Resources]

Average pressure in May
Foresthill, CA

Average pressure in May - Foresthill, CA
  • Average pressure in May: 29.94"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.9").

[Resources]

Average wind speed in May
Foresthill, CA

Average wind speed in May - Foresthill, CA
  • Average wind speed in May: 5.3mph

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

[Resources]

Average humidity in May
Foresthill, CA

Average humidity in May - Foresthill, CA
  • Average humidity in May: 62%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is July (38%).

[Resources]

Average rainfall in May
Foresthill, CA

Average rainfall in May - Foresthill, CA
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is March (7.01").
The driest month (with the least rainfall) is July (0.04").

[Resources]

Average rainfall days in May
Foresthill, CA

Average rainfall days in May - Foresthill, CA
  • Average rainfall days in May: 9.3 days

The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is July (1.4 days).

[Resources]

Average snowfall in May
Foresthill, CA

Average snowfall in May - Foresthill, CA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is March (17.87").
Months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Foresthill, CA

Average snowfall days in May - Foresthill, CA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is March (5.4 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Foresthill, CA

Average daylight in May / Average sunshine in May - Foresthill, CA
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 10.7h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.7h).

[Resources]

Average sunshine days in May
Foresthill, CA

Average sunshine days in May - Foresthill, CA
  • Average sunshine days in May: 19.8 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.5 days).

[Resources]

Average UV index in May
Foresthill, CA

Average UV index in May - Foresthill, CA
  • Average UV index in May: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are February, November and December (UV index 2).

[Resources]

Average cloud cover in May
Foresthill, CA

Average cloud cover in May - Foresthill, CA
  • Average cloud cover in May: 23

The month with the most cloud cover is March (Cloud cover 43).
Months with the least cloud cover are July and August (Cloud cover 5).

[Resources]

Average visibility in May
Foresthill, CA

Average visibility in May - Foresthill, 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).

[Resources]