April weather forecastGrand Terrace, CA
April
Weather in April
April is a pleasant spring month in Grand Terrace, California, with an average temperature fluctuating between 48.7°F (9.3°C) and 71.4°F (21.9°C).Temperature
April's presence marks an average high-temperature of a pleasant 71.4°F (21.9°C), subtly varied from March's 66.9°F (19.4°C). Grand Terrace, after hot April days, encounters a marked drop to an average nighttime temperature of 48.7°F (9.3°C).Humidity
The average relative humidity in April is 50%.Rainfall
In Grand Terrace, California, in April, during 5.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 46.6 rainfall days, and 6.18" (157mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Grand Terrace, the average length of the day in April is 13h and 4min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:10 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:32 pm PDT.
Sunshine
In Grand Terrace, the average sunshine in April is 11.3h.UV index
In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during April leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Grand Terrace, CA
- Average high temperature in April: 71.4°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 April: 48.7°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 April
Grand Terrace, CA
- Average pressure in April: 29.94"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 April
Grand Terrace, CA
- Average wind speed in April: 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 April
Grand Terrace, CA
- Average humidity in April: 50%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in April
Grand Terrace, CA
- Average rainfall in April: 0.67"
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 April
Grand Terrace, CA
- Average rainfall days in April: 5.9 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 April
Grand Terrace, CA
- Average snowfall days in April: 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 April /
Average sunshine in April
Grand Terrace, CA
- Average daylight in April: 13h and 6min
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 April: 11h and 18min
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 April
Grand Terrace, CA
- Average sunshine days in April: 23.3 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 April
Grand Terrace, CA
- Average UV index in April: 5
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 April
Grand Terrace, CA
- Average cloud cover in April: 17
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 April
Grand Terrace, CA
- Average visibility in April: 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).
