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 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
Entering May, Monrovia's average high-temperature reads a warm 75.2°F (24°C), indicating a close resemblance to the previous month's climate. Monrovia's average nighttime temperature descends significantly from the day's peak in May, settling at a fresh 53.4°F (11.9°C).Humidity
The months with the highest humidity in Monrovia are March and May, with an average relative humidity of 56%.Rainfall
In Monrovia, in May, it is raining for 3.6 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 50.9 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 58min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:36 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:58 pm PDT.
Sunshine
The average sunshine in May is 11.7h.UV index
In Monrovia, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are May temperatures in Monrovia?
What are the most humid months in Monrovia?
What is the average humidity in May in Monrovia?
How many days does it rain in May in Monrovia?
What is the average length of the day in May in Monrovia?
When is the sunrise / sunset in May in Monrovia?
How long on average sun shines in May in Monrovia?
How high is the UV index in May in Monrovia?
Average temperature in May
Monrovia, CA
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in May: 53.4°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in May
Monrovia, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Monrovia, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in May
Monrovia, CA
- Average humidity in May: 56%
The months with the highest relative humidity are March and May (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall in May
Monrovia, CA
- Average rainfall in May: 0.24"
The wettest months (with the highest rainfall) are February and December (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Monrovia, CA
- Average rainfall days in May: 3.6 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.1 days).
Average daylight in May /
Average sunshine in May
Monrovia, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in May
Monrovia, CA
- Average sunshine days in May: 26.1 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21 days).
Average UV index in May
Monrovia, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Monrovia, CA
- Average cloud cover in May: 12
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Monrovia, 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).
Monrovia, California, USA
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