May weather forecast and climate
Julian, CA

Weather in May

May, the last month of the spring, in Julian, is a warm month, with average temperature varying between 51.3°F (10.7°C) and 73.6°F (23.1°C).

Temperature

In May, the average high-temperature is almost the same as in April - a moderately hot 73.6°F (23.1°C). The average low-temperature, is 51.3°F (10.7°C).

Humidity

May is the most humid month, with an average relative humidity of 62%.

Rainfall

In May, the rain falls for 4.2 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. In Julian, California, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Julian. Throughout May, Julian aggregates 0.6" (15.2mm) of snow. Throughout the year, in Julian, 22" (558.7mm) of snow is accumulated.

Daylight

In Julian, the average length of the day is 13.9h.

Sunshine

In Julian, the average sunshine in May is 11.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the temperature in May in Julian?

In Julian, in May, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 51.3°F (10.7°C).

What is the most humid month in Julian?

The most humid month in Julian, California, is May, with an average relative humidity of 62%.

What is the average humidity in May in Julian?

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

How much does it rain in Julian in May?

In Julian, California, in May, it is raining for 4.2 days, with typically 0.24" (6mm) of accumulated precipitation.

What is the last month it snows in Julian?

May is the last month it regularly snows. Throughout May, Julian aggregates 0.6" (15.2mm) of snow.

How many hours of daylight does Julian have in May?

In Julian, California, the average length of the day in May is 13.9h.

How many hours of sunshine does Julian have in May?

In Julian, California, the average sunshine in May is 11.5h.

How high is the UV index in May in Julian?

The average daily maximum UV index in May in Julian is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in May
Julian, CA

Average temperature in May - Julian, CA
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).

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Average pressure in May
Julian, CA

Average pressure in May - Julian, CA
  • Average pressure in May: 29.9"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in May
Julian, CA

Average wind speed in May - Julian, CA
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in May
Julian, CA

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

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in May
Julian, CA

Average rainfall in May - Julian, CA
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in May
Julian, CA

Average rainfall days in May - Julian, CA
  • Average rainfall days in May: 4.2 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

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Average snowfall in May
Julian, CA

Average snowfall in May - Julian, CA
  • Average snowfall in May: 0.6"

The month with the highest snowfall is March (6.7").
Months with the least snowfall are June, July, August, September and October (0").

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

Average daylight in May / Average sunshine in May - Julian, CA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 11.5h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in May
Julian, CA

Average sunshine days in May - Julian, CA
  • Average sunshine days in May: 25.2 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in May
Julian, CA

Average UV index in May - Julian, CA
  • Average UV index in May: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in May
Julian, CA

Average cloud cover in May - Julian, CA
  • Average cloud cover in May: 15

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in May
Julian, CA

Average visibility in May - Julian, 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).

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