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 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 unfolds, the average high-temperature reaches a moderately hot 76.5°F (24.7°C), hinting at a slight fluctuation from the previous month. May nights in Grand Terrace bring a pronounced temperature shift, with averages hovering around a fresh 52.7°F (11.5°C).Humidity
In May, the average relative humidity in Grand Terrace is 52%.Rainfall
In May, the rain falls for 3.6 days. Throughout May, 0.16" (4mm) of precipitation is accumulated. Throughout the year, in Grand Terrace, there are 46.6 rainfall days, and 6.18" (157mm) of precipitation is accumulated.Snowfall
In Grand Terrace, snow does not fall in January, March through December.Daylight
In Grand Terrace, the average length of the day in May is 13h and 57min.On the first day of May in Grand Terrace, sunrise is at 5:59 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:55 pm PDT.
Sunshine
In Grand Terrace, the average sunshine in May is 11.8h.UV index
In Grand Terrace, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 6 in May suggests the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Grand Terrace in May?
What is the average humidity in May in Grand Terrace?
How many days does it rain in May in Grand Terrace?
When it does not snow in Grand Terrace?
How many hours of daylight does Grand Terrace have in May?
What time are sunrise and sunset in May in Grand Terrace?
How long on average sun shines in May in Grand Terrace?
How high is the UV index in May in Grand Terrace?
Average temperature in May
Grand Terrace, CA
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in May
Grand Terrace, CA
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Grand Terrace, CA
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in May
Grand Terrace, CA
- Average humidity in May: 52%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Grand Terrace, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Grand Terrace, CA
- Average rainfall days in May: 3.6 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in May
Grand Terrace, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Grand Terrace, CA
- Average daylight in May: 13h and 5min
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 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Grand Terrace, CA
- Average sunshine days in May: 26.1 days
The months with the most sunshine days are June and October (27.9 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in May
Grand Terrace, CA
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Grand Terrace, CA
- Average cloud cover in May: 12
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Grand Terrace, 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).
Grand Terrace, California, USA
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