Annual mean 13°C · wettest around February · prevailing wind W
Warmest
28.3 °C
Coldest
2.3 °C
Wettest
53%
Windiest
4.9 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 Sayreville over the whole year is 13°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -1°C. Sayreville has no sharply defined rainy season: the chance of rain on a given day runs from 36% in May, the driest month, to 50% in February, the wettest. Winds in Sayreville are highest in March, averaging 4.0 m/s (14 km/h), and lightest in July, at 2.5 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Sayreville come in November, when the sky is typically 34% covered; May is the cloudiest month, at 53%.
Month by month Sayreville 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
-2°C
48%
45%
3.8 m/s
1
0
8
February
5°C
1°C
-0°C
50%
44%
3.4 m/s
2
0
17
March
9°C
4°C
5°C
45%
43%
4.0 m/s
10
0
37
April
14°C
8°C
10°C
44%
44%
3.7 m/s
27
3
58
May
19°C
13°C
17°C
36%
53%
3.1 m/s
57
14
67
June
25°C
19°C
25°C
36%
40%
2.8 m/s
64
44
35
July
28°C
22°C
30°C
46%
38%
2.5 m/s
28
60
8
August
27°C
21°C
29°C
42%
39%
2.5 m/s
39
61
13
September
23°C
18°C
24°C
42%
43%
2.7 m/s
67
34
45
October
18°C
12°C
16°C
47%
40%
2.9 m/s
53
9
67
November
11°C
6°C
7°C
46%
34%
3.4 m/s
12
0
48
December
5°C
2°C
1°C
49%
44%
3.5 m/s
1
0
16
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 Sayreville weather by season
Year round, Sayreville has days of about 3°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -1°C to 22°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around February and least likely around May. 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.
Sayreville weather in winterDecember to February
High 4°CLow 1°CRain 49%
Winter in Sayreville has typical daily highs of about 4°C and lows of about 1°C, with a 49% chance of rain on a given day.
Sayreville weather in springMarch to May
High 14°CLow 8°CRain 41%
Spring in Sayreville has typical daily highs of about 14°C and lows of about 8°C, with a 41% chance of rain on a given day.
Sayreville weather in summerJune to August
High 27°CLow 21°CRain 41%
Summer in Sayreville has typical daily highs of about 27°C and lows of about 21°C, with a 41% chance of rain on a given day.
Sayreville weather in autumnSeptember to November
High 17°CLow 12°CRain 45%
Autumn in Sayreville has typical daily highs of about 17°C and lows of about 12°C, with a 45% chance of rain on a given day.
When is the rainy season in Sayreville?
Sayreville has no sharply defined rainy season: the chance of rain on a given day runs from 36% in May, the driest month, to 50% in February, the wettest.
What time of year is Sayreville windiest?
Winds in Sayreville are highest in March, averaging 4.0 m/s (14 km/h), and lightest in July, at 2.5 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Sayreville year round?
The average temperature in Sayreville over the whole year is 13°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -1°C.