May weather forecastJulian, CA
May
Weather in May
May brings forth an aura of warmth in Julian with a noticeable uptick in temperature. This rise sets it apart from April, rolling out longer and sunnier days. The rainfall decreases significantly in comparison to April and snowfall dips to an insignificant 0.6" (15mm), ushering in a period of dry spell. The month also records a peak in daylight hours. A dip in cloud cover implies brighter and clearer skies, perfect for outdoor excursions.Temperature
Julian starts May with an average high-temperature of a moderately hot 73.6°F (23.1°C), hinting at a minimal fluctuation from April. Julian anticipates a considerable drop in temperature at night in May, with an average low of 51.3°F (10.7°C).Humidity
May is the most humid month, with an average relative humidity of 62%.Rainfall
In Julian, during May, the rain falls for 4.2 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. Throughout May, Julian aggregates 0.59" (15mm) of snow. Throughout the year, 22.01" (559mm) of snow is accumulated.Daylight
In May, the average length of the day is 13h and 53min.On the first day of May, sunrise is at 5:57 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:50 pm PDT.
Sunshine
The average sunshine in May is 11.5h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in May
Julian, CA
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
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).
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%).
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").
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).
Average snowfall in May
Julian, CA
- Average snowfall in May: 0.6"
The month with the highest snowfall is March (6.7").
The months with the least snowfall are June, July, August, September and October (0").
Average daylight in May /
Average sunshine in May
Julian, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 30min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
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).
Average UV index in May
Julian, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in May
Julian, CA
- Average cloud cover in May: 15
The 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).
Average visibility in May
Julian, 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).
