Annual mean 12°C · wettest around February · prevailing wind W
Warmest
26.8 °C
Coldest
1.9 °C
Wettest
43%
Windiest
4.6 m/s
Prevailing
W
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Old Saybrook over the whole year is 12°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -1°C. The rainy (wet) season in Old Saybrook runs from January to February, peaking in February with a 41% chance of rain on a given day. The dry season is March to December; June is the driest month, at 13%. Winds in Old Saybrook are highest in March, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.3 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Old Saybrook come in August, when the sky is typically 36% covered; May is the cloudiest month, at 49%.
Month by month Old Saybrook climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
3°C
-1°C
-3°C
38%
47%
3.3 m/s
0
0
7
February
4°C
-0°C
-2°C
41%
44%
3.1 m/s
1
0
12
March
7°C
2°C
2°C
23%
43%
3.5 m/s
2
0
23
April
12°C
7°C
7°C
19%
48%
3.4 m/s
12
1
50
May
18°C
12°C
15°C
18%
49%
2.9 m/s
47
7
75
June
23°C
17°C
22°C
13%
39%
2.5 m/s
74
30
55
July
26°C
21°C
27°C
14%
38%
2.3 m/s
49
62
18
August
26°C
20°C
26°C
13%
36%
2.3 m/s
58
55
25
September
22°C
16°C
21°C
15%
42%
2.5 m/s
75
24
59
October
17°C
11°C
14°C
18%
45%
2.7 m/s
48
4
75
November
10°C
5°C
6°C
16%
36%
3.0 m/s
11
0
41
December
5°C
1°C
-0°C
20%
45%
3.0 m/s
0
0
14
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Old Saybrook weather by season
Year round, Old Saybrook has days of about 3°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -1°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around February and least likely around June. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Old Saybrook weather in winterDecember to February
High 4°CLow -0°CRain 33%
Winter in Old Saybrook has typical daily highs of about 4°C and lows of about -0°C, with a 33% chance of rain on a given day.
Old Saybrook weather in springMarch to May
High 12°CLow 7°CRain 20%
Spring in Old Saybrook has typical daily highs of about 12°C and lows of about 7°C, with a 20% chance of rain on a given day.
Old Saybrook weather in summerJune to August
High 25°CLow 19°CRain 13%
Summer in Old Saybrook has typical daily highs of about 25°C and lows of about 19°C, with a 13% chance of rain on a given day.
Old Saybrook weather in autumnSeptember to November
High 16°CLow 11°CRain 17%
Autumn in Old Saybrook has typical daily highs of about 16°C and lows of about 11°C, with a 17% chance of rain on a given day.
When is the rainy season in Old Saybrook?
The rainy (wet) season in Old Saybrook runs from January to February, peaking in February with a 41% chance of rain on a given day. The dry season is March to December; June is the driest month, at 13%.
What time of year is Old Saybrook windiest?
Winds in Old Saybrook are highest in March, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.3 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Old Saybrook year round?
The average temperature in Old Saybrook over the whole year is 12°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -1°C.