Annual mean 16°C · wettest around December · prevailing wind W
Warmest
30.8 °C
Coldest
8.5 °C
Wettest
53%
Windiest
3.8 m/s
Prevailing
W
2.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Gastonia over the whole year is 16°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 2°C. Gastonia has no sharply defined rainy season: the chance of rain on a given day runs from 48% in July, the driest month, to 54% in December, the wettest. Winds in Gastonia are highest in March, averaging 2.3 m/s (8 km/h), and lightest in August, at 1.3 m/s (5 km/h). The prevailing wind is from the W. The clearest skies in Gastonia come in July, when the sky is typically 32% covered; February is the cloudiest month, at 44%.
Month by month Gastonia 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
9°C
2°C
5°C
51%
38%
1.9 m/s
7
0
37
February
13°C
5°C
9°C
52%
44%
2.1 m/s
24
0
56
March
16°C
7°C
12°C
50%
39%
2.3 m/s
39
3
68
April
20°C
11°C
18°C
50%
34%
2.3 m/s
64
15
65
May
24°C
16°C
24°C
50%
42%
1.9 m/s
63
43
38
June
28°C
20°C
29°C
48%
36%
1.7 m/s
31
64
8
July
31°C
22°C
33°C
48%
32%
1.5 m/s
6
50
1
August
29°C
21°C
31°C
48%
41%
1.3 m/s
16
54
4
September
27°C
18°C
28°C
49%
38%
1.5 m/s
43
57
18
October
22°C
12°C
21°C
49%
33%
1.4 m/s
70
26
57
November
15°C
6°C
13°C
50%
35%
1.5 m/s
37
4
70
December
11°C
3°C
8°C
54%
42%
1.7 m/s
15
0
51
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 Gastonia weather by season
Year round, Gastonia has days of about 9°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 2°C to 22°C through the year, and the average temperature over the year is 16°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.
Gastonia weather in winterDecember to February
High 11°CLow 3°CRain 52%
Winter in Gastonia has typical daily highs of about 11°C and lows of about 3°C, with a 52% chance of rain on a given day.
Gastonia weather in springMarch to May
High 20°CLow 12°CRain 50%
Spring in Gastonia has typical daily highs of about 20°C and lows of about 12°C, with a 50% chance of rain on a given day.
Gastonia weather in summerJune to August
High 29°CLow 21°CRain 48%
Summer in Gastonia has typical daily highs of about 29°C and lows of about 21°C, with a 48% chance of rain on a given day.
Gastonia weather in autumnSeptember to November
High 21°CLow 12°CRain 49%
Autumn in Gastonia has typical daily highs of about 21°C and lows of about 12°C, with a 49% chance of rain on a given day.
When is the rainy season in Gastonia?
Gastonia has no sharply defined rainy season: the chance of rain on a given day runs from 48% in July, the driest month, to 54% in December, the wettest.
What time of year is Gastonia windiest?
Winds in Gastonia are highest in March, averaging 2.3 m/s (8 km/h), and lightest in August, at 1.3 m/s (5 km/h). The prevailing wind is from the W.
What is the average temperature in Gastonia year round?
The average temperature in Gastonia over the whole year is 16°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 2°C.