April weather forecastMammoth Lakes, CA
April
Weather in April
Compared to March, weather fluctuates in April with a combination of increasing temperatures and declining precipitation. April witnesses an average high temperature of 44.6°F (7°C) and is the month with the 4th lowest amount of snowfall at 3.39" (86mm). The landscape starts to exhibit the colors of spring with green foliage replacing the melting snow in the city. As winter recedes, April brings promises of warmer weather. The budding flowers and chirping birds announce the beginning of the new season.Temperature
The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's icy 37.6°F (3.1°C) to a chilly 44.6°F (7°C). Mammoth Lakes temperatures generally rest at a low of 24.1°F (-4.4°C) during the April nights.Humidity
In April, the average relative humidity is 67%.Rainfall
In Mammoth Lakes, California, in April, during 6.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Mammoth Lakes, during the entire year, the rain falls for 47.7 days and collects up to 4.92" (125mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In April, it is snowing for 7.1 days. Throughout April, 3.39" (86mm) of snow is accumulated. Throughout the year, there are 60.8 snowfall days, and 28.58" (726mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 12min.On the first day of April, sunrise is at 6:39 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:45 pm PDT.
Sunshine
In Mammoth Lakes, the average sunshine in April is 10.9h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during April morphs into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mammoth Lakes, CA
- Average high temperature in April: 44.6°F
The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is February (34°F).
- Average low temperature in April: 24.1°F
The month with the highest average low temperature is July (48.2°F).
The coldest month (with the lowest average low temperature) is February (14.9°F).
Average pressure in April
Mammoth Lakes, CA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Mammoth Lakes, CA
- Average wind speed in April: 6.6mph
The windiest month (with the highest average wind speed) is March (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in April
Mammoth Lakes, CA
- Average humidity in April: 67%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (34%).
Average rainfall in April
Mammoth Lakes, CA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is February (0.94").
The driest months (with the least rainfall) are August and October (0.08").
Average rainfall days in April
Mammoth Lakes, CA
- Average rainfall days in April: 6.3 days
The month with the highest number of rainy days is April (6.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in April
Mammoth Lakes, CA
- Average snowfall in April: 3.39"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Mammoth Lakes, CA
- Average snowfall days in April: 7.1 days
The month with the highest number of snowfall days is March (11.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Mammoth Lakes, CA
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in April
Mammoth Lakes, CA
- Average sunshine days in April: 19.8 days
The month with the most sunshine days is October (27.3 days).
The month with the least sunshine days is March (18.2 days).
Average UV index in April
Mammoth Lakes, CA
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Mammoth Lakes, CA
- Average cloud cover in April: 24
The month with the most cloud cover is March (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in April
Mammoth Lakes, 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).
