World Resorts USA Mystic Weather

Mystic weather in April

Weather in Mystic: April

Average day temperature: 53.8°F
Average night temperature: 43.8°F
Sea water temperature: 45.1°F
Number of sunny days: 9 days
Day length: 12.7 - 14.0 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in April, °F

Show year:
2025
2024
2023

The highest day temperature during April of 2025 was 74°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during April were 56.0°F and 45.4°F.

Sea water temperature in Mystic in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 44.3°F. The highest and lowest sea temperatures during the month were 48.0°F and 42.3°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in April is almost equal.

Precipitation total in April, in.

Precipitation total value in Mystic in April is 1.3 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 9.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 6.6.

Best time for vacation in Mystic

Sunniest months:
November 16 days
October 14 days
September 14 days
Warmest months:
July 79.5 °F
August 78.1 °F
June 73.3 °F
Warmest sea temp:
August 70.0 °F
July 68.7 °F
September 68.2 °F
Coldest months:
January 36.8 °F
February 38.0 °F
December 41.8 °F
Rainiest months:
October 4 days
November 3 days
July 3 days
Windiest months:
January 10.1 mph
March 9.9 mph
February 9.7 mph

Mystic on a weather map

Mystic
+21°F
SE 17 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Mystic
Local time: 01:24
December 05, friday
0300
16°F
S
10 mph
0600
14°F
S
6 mph
0900
19°F
S
3 mph
1200
27°F
N
6 mph
1500
28°F
NE
7 mph
1800
30°F
NE
4 mph
2100
32°F
NE
3 mph
December 06, saturday
0000
34°F
N
2 mph
Units of measurement: °C / °F