April weather forecastCrystal Lake, CT
April
Weather in April
April is a mild spring month in Crystal Lake, Connecticut, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 38.8°F (3.8°C).Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's frosty 43.3°F (6.3°C) to a refreshing 56.3°F (13.5°C). April is noted for a mean low-temperature of 38.8°F (3.8°C).Humidity
With an average relative humidity of 71%, April is the least humid month.Rainfall
In Crystal Lake, in April, during 10.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Crystal Lake, Connecticut, during the entire year, the rain falls for 105.6 days and collects up to 9.84" (250mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In April, it is snowing for 1.1 days. Throughout April, 0.55" (14mm) of snow is accumulated. In Crystal Lake, during the entire year, snow falls for 23.1 days and aggregates up to 4.69" (119mm) of snow.Daylight
In April, the average length of the day is 13h and 23min.On the first day of April, sunrise is at 6:30 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:47 pm EDT.
Sunshine
In Crystal Lake, the average sunshine in April is 8.1h.UV index
In Crystal Lake, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Crystal Lake, CT
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Crystal Lake, CT
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Crystal Lake, CT
- Average wind speed in April: 7.8mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Crystal Lake, CT
- Average humidity in April: 71%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Crystal Lake, CT
- Average rainfall in April: 0.87"
The wettest months (with the highest rainfall) are May, June and July (1.1").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in April
Crystal Lake, CT
- Average rainfall days in April: 10.8 days
The month with the highest number of rainy days is June (12.1 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall in April
Crystal Lake, CT
- Average snowfall in April: 0.55"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Crystal Lake, CT
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Crystal Lake, CT
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Crystal Lake, CT
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in April
Crystal Lake, CT
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Crystal Lake, CT
- Average cloud cover in April: 46
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Crystal Lake, CT
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
