Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May arrives, a slight rise in the average high-temperature is observed, moving from a refreshing 65.8°F (18.8°C) in April to a warm 73.8°F (23.2°C). Penryn logs a considerable temperature decrease from the daytime highs during the nights in May, with an average reading of 49.6°F (9.8°C).Humidity
In May, the average relative humidity is 60%.Rainfall
In Penryn, during May, the rain falls for 6.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Penryn, there are 84.8 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
In Penryn, snow does not fall in January, April through November.Daylight
In Penryn, the average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:23 pm PDT.
Sunshine
In Penryn, the average sunshine in May is 10.9h.UV index
In Penryn, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the usual temperature for Penryn in May?
What is the average humidity in May in Penryn?
How many days does it rain in May in Penryn?
When it does not snow in Penryn?
What is the average length of the day in May in Penryn?
When is the sunrise / sunset in May in Penryn?
How many hours of sunshine does Penryn have in May?
How high is the UV index in May in Penryn?
Average temperature in May
Penryn, CA
- Average high temperature in May: 73.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in May
Penryn, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Penryn, CA
- Average wind speed in May: 5.2mph
The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Penryn, CA
- Average humidity in May: 60%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).
Average rainfall in May
Penryn, CA
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Penryn, CA
- Average rainfall days in May: 6.8 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).
Average snowfall in May
Penryn, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Penryn, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Penryn, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in May
Penryn, CA
- Average sunshine days in May: 23.2 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in May
Penryn, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Penryn, CA
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Penryn, 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).
Penryn, California, USA
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