May weather forecast and climate
Hayfork, CA

Weather in May

May, the last month of the spring, in Hayfork, is an enjoyable month, with average temperature fluctuating between 39.4°F (4.1°C) and 66.2°F (19°C).

Temperature

In May, the average high-temperature rises, from a mild 57.2°F (14°C) in April, to an enjoyable 66.2°F (19°C). In May, in Hayfork, the average low-temperature is 39.4°F (4.1°C).

Humidity

In Hayfork, the average relative humidity is 69%.

Rainfall

In Hayfork, California, it is raining for 10.5 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 99.6 rainfall days, and 25.04" (636mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hayfork are January through May, November and December. May is the last month it regularly snows in Hayfork, California. During 0.3 snowfall days, in May, Hayfork aggregates 0.04" (1mm) of snow. In Hayfork, during the entire year, snow falls for 21.4 days, and aggregates up to 28.74" (730mm) of snow.

Daylight

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

Sunshine

In May, the average sunshine is 10.3h.

UV index

The average daily maximum UV index in Hayfork is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 4 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Hayfork?

The average high-temperature, in May, is 66.2°F (19°C), while the average low-temperature is 39.4°F (4.1°C).

What is the average humidity in May in Hayfork?

The average relative humidity in May in Hayfork is 69%.

How many days does it rain in May in Hayfork?

In Hayfork, in May, during 10.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

What is the last month it snows in Hayfork?

May is the last month it regularly snows in Hayfork, California. During 0.3 snowfall days, in May, Hayfork aggregates 0.04" (1mm) of snow.

How many hours of daylight does Hayfork have in May?

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

How long on average sun shines in May in Hayfork?

In May, the average sunshine in Hayfork, California, is 10.3h.

How high is the UV index in May in Hayfork?

In May, the average daily maximum UV index in Hayfork, California, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in May
Hayfork, CA

Average temperature in May - Hayfork, CA
  • Average high temperature in May: 66.2°F

The warmest months (with the highest average high temperature) are July and August (86.5°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in May: 39.4°F

The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).

[Resources]

Average pressure in May
Hayfork, CA

Average pressure in May - Hayfork, CA
  • Average pressure in May: 29.98"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is August (29.93").

[Resources]

Average wind speed in May
Hayfork, CA

Average wind speed in May - Hayfork, CA
  • Average wind speed in May: 4.3mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

[Resources]

Average humidity in May
Hayfork, CA

Average humidity in May - Hayfork, CA
  • Average humidity in May: 69%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (52%).

[Resources]

Average rainfall in May
Hayfork, CA

Average rainfall in May - Hayfork, CA
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.16").

[Resources]

Average rainfall days in May
Hayfork, CA

Average rainfall days in May - Hayfork, CA
  • Average rainfall days in May: 10.5 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (2.3 days).

[Resources]

Average snowfall in May
Hayfork, CA

Average snowfall in May - Hayfork, CA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (7.52").
Months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Hayfork, CA

Average snowfall days in May - Hayfork, CA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (5 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
Hayfork, CA

Average daylight in May / Average sunshine in May - Hayfork, 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: 10.3h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 4.7h).

[Resources]

Average sunshine days in May
Hayfork, CA

Average sunshine days in May - Hayfork, CA
  • Average sunshine days in May: 18.8 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is March (13.6 days).

[Resources]

Average UV index in May
Hayfork, CA

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

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

[Resources]

Average cloud cover in May
Hayfork, CA

Average cloud cover in May - Hayfork, CA
  • Average cloud cover in May: 33

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 7).

[Resources]

Average visibility in May
Hayfork, CA

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

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are March and December (4mi).

[Resources]