Annual mean 13°C · wettest around December · prevailing wind W
Warmest
27.8 °C
Coldest
2.3 °C
Wettest
18%
Windiest
5.3 m/s
Prevailing
W
4.4 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 Uniondale 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 -0°C. Uniondale has no sharply defined rainy season: the chance of rain on a given day runs from 12% in June, the driest month, to 19% in December, the wettest. Winds in Uniondale are highest in March, averaging 4.5 m/s (16 km/h), and lightest in July, at 3.1 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Uniondale come in November, when the sky is typically 42% covered; May is the cloudiest month, at 55%.
Month by month Uniondale 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
-0°C
-3°C
16%
53%
4.3 m/s
1
0
7
February
4°C
1°C
-1°C
17%
51%
4.0 m/s
1
0
14
March
8°C
3°C
3°C
15%
50%
4.5 m/s
4
0
30
April
13°C
8°C
9°C
15%
53%
4.2 m/s
18
1
56
May
18°C
13°C
16°C
16%
55%
3.6 m/s
54
9
74
June
24°C
19°C
23°C
12%
47%
3.4 m/s
73
37
48
July
28°C
23°C
29°C
14%
45%
3.1 m/s
40
67
12
August
26°C
21°C
27°C
14%
45%
3.1 m/s
53
59
21
September
23°C
18°C
22°C
15%
48%
3.3 m/s
73
29
54
October
18°C
13°C
15°C
15%
49%
3.5 m/s
52
6
75
November
11°C
6°C
6°C
15%
42%
3.9 m/s
12
0
45
December
5°C
2°C
0°C
19%
53%
4.0 m/s
0
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 Uniondale weather by season
Year round, Uniondale 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 -0°C to 23°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around December 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.
Uniondale weather in winterDecember to February
High 4°CLow 1°CRain 17%
Winter in Uniondale has typical daily highs of about 4°C and lows of about 1°C, with a 17% chance of rain on a given day.
Uniondale weather in springMarch to May
High 13°CLow 8°CRain 15%
Spring in Uniondale has typical daily highs of about 13°C and lows of about 8°C, with a 15% chance of rain on a given day.
Uniondale weather in summerJune to August
High 26°CLow 21°CRain 13%
Summer in Uniondale has typical daily highs of about 26°C and lows of about 21°C, with a 13% chance of rain on a given day.
Uniondale weather in autumnSeptember to November
High 17°CLow 12°CRain 15%
Autumn in Uniondale has typical daily highs of about 17°C and lows of about 12°C, with a 15% chance of rain on a given day.
When is the rainy season in Uniondale?
Uniondale has no sharply defined rainy season: the chance of rain on a given day runs from 12% in June, the driest month, to 19% in December, the wettest.
What time of year is Uniondale windiest?
Winds in Uniondale are highest in March, averaging 4.5 m/s (16 km/h), and lightest in July, at 3.1 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Uniondale year round?
The average temperature in Uniondale 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 -0°C.