Annual mean 11°C · wettest around December · prevailing wind S
Warmest
21.4 °C
Coldest
4.6 °C
Wettest
45%
Windiest
2.7 m/s
Prevailing
S
2.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
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 Delta over the whole year is 11°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Delta runs from October to April, peaking in December with a 40% chance of rain on a given day. The dry season is May to September; July is the driest month, at 11%. Winds in Delta are highest in January, averaging 2.2 m/s (8 km/h), and lightest in August, at 1.6 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Delta come in July, when the sky is typically 36% covered; January is the cloudiest month, at 72%.
Month by month Delta 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
6°C
4°C
2°C
38%
72%
2.2 m/s
0
0
18
February
6°C
3°C
2°C
33%
68%
2.2 m/s
0
0
20
March
9°C
5°C
5°C
30%
64%
2.1 m/s
1
0
39
April
12°C
7°C
9°C
26%
57%
2.0 m/s
9
0
65
May
16°C
11°C
14°C
18%
53%
1.8 m/s
44
2
84
June
18°C
13°C
17°C
16%
52%
1.8 m/s
66
6
82
July
21°C
15°C
20°C
11%
36%
1.7 m/s
85
16
71
August
21°C
15°C
21°C
11%
42%
1.6 m/s
86
20
68
September
17°C
13°C
17°C
20%
52%
1.6 m/s
69
5
81
October
13°C
9°C
11°C
29%
60%
1.8 m/s
19
0
73
November
9°C
6°C
6°C
37%
69%
2.2 m/s
2
0
40
December
5°C
3°C
2°C
40%
71%
2.1 m/s
0
0
18
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 Delta weather by season
Year round, Delta has days of about 5°C at their warmest in December, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from 3°C to 15°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around July. 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.
Delta weather in winterDecember to February
High 6°CLow 3°CRain 37%
Winter in Delta has typical daily highs of about 6°C and lows of about 3°C, with a 37% chance of rain on a given day.
Delta weather in springMarch to May
High 12°CLow 8°CRain 25%
Spring in Delta has typical daily highs of about 12°C and lows of about 8°C, with a 25% chance of rain on a given day.
Delta weather in summerJune to August
High 20°CLow 15°CRain 13%
Summer in Delta has typical daily highs of about 20°C and lows of about 15°C, with a 13% chance of rain on a given day.
Delta weather in autumnSeptember to November
High 13°CLow 9°CRain 29%
Autumn in Delta has typical daily highs of about 13°C and lows of about 9°C, with a 29% chance of rain on a given day.
When is the rainy season in Delta?
The rainy (wet) season in Delta runs from October to April, peaking in December with a 40% chance of rain on a given day. The dry season is May to September; July is the driest month, at 11%.
What time of year is Delta windiest?
Winds in Delta are highest in January, averaging 2.2 m/s (8 km/h), and lightest in August, at 1.6 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Delta year round?
The average temperature in Delta over the whole year is 11°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 3°C.