Annual mean 14°C · wettest around July · prevailing wind NW
Warmest
21.0 °C
Coldest
11.4 °C
Wettest
23%
Windiest
6.8 m/s
Prevailing
NW
5.5 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
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 Nelson over the whole year is 14°C. February is the hottest month, with highs of about 21°C; August is the coldest, with lows of about 8°C. Nelson has no sharply defined rainy season: the chance of rain on a given day runs from 10% in January, the driest month, to 19% in July, the wettest. Winds in Nelson are highest in December, averaging 5.4 m/s (19 km/h), and lightest in June, at 4.0 m/s (14 km/h). The prevailing wind is from the NW. The clearest skies in Nelson come in February, when the sky is typically 48% covered; August is the cloudiest month, at 59%.
Month by month Nelson 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
20°C
16°C
17°C
10%
56%
5.1 m/s
73
5
78
February
21°C
16°C
18°C
10%
48%
5.0 m/s
78
3
81
March
19°C
14°C
16°C
11%
55%
4.5 m/s
71
1
84
April
17°C
12°C
14°C
13%
50%
4.3 m/s
51
0
85
May
15°C
10°C
12°C
16%
54%
4.1 m/s
24
0
77
June
13°C
8°C
9°C
17%
59%
4.0 m/s
5
0
68
July
12°C
8°C
8°C
19%
55%
4.2 m/s
1
0
60
August
12°C
8°C
8°C
16%
59%
4.2 m/s
2
0
64
September
14°C
9°C
9°C
15%
58%
5.0 m/s
6
0
68
October
15°C
10°C
11°C
15%
58%
5.2 m/s
15
0
75
November
17°C
13°C
13°C
14%
58%
5.3 m/s
40
0
80
December
19°C
15°C
16°C
13%
58%
5.4 m/s
61
0
80
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 Nelson weather by season
Year round, Nelson has days of about 12°C at their warmest in July, its coolest month, and 21°C in February, its warmest; the coolest hours of the day run from 8°C to 16°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around July and least likely around January. 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.
Nelson weather in winterJune to August
High 12°CLow 8°CRain 17%
Winter in Nelson has typical daily highs of about 12°C and lows of about 8°C, with a 17% chance of rain on a given day.
Nelson weather in springSeptember to November
High 15°CLow 11°CRain 15%
Spring in Nelson has typical daily highs of about 15°C and lows of about 11°C, with a 15% chance of rain on a given day.
Nelson weather in summerDecember to February
High 20°CLow 15°CRain 11%
Summer in Nelson has typical daily highs of about 20°C and lows of about 15°C, with a 11% chance of rain on a given day.
Nelson weather in autumnMarch to May
High 17°CLow 12°CRain 13%
Autumn in Nelson has typical daily highs of about 17°C and lows of about 12°C, with a 13% chance of rain on a given day.
When is the rainy season in Nelson?
Nelson has no sharply defined rainy season: the chance of rain on a given day runs from 10% in January, the driest month, to 19% in July, the wettest.
What time of year is Nelson windiest?
Winds in Nelson are highest in December, averaging 5.4 m/s (19 km/h), and lightest in June, at 4.0 m/s (14 km/h). The prevailing wind is from the NW.
What is the average temperature in Nelson year round?
The average temperature in Nelson over the whole year is 14°C. February is the hottest month, with highs of about 21°C; August is the coldest, with lows of about 8°C.