Annual mean 17°C · wettest around January · prevailing wind W
Warmest
30.4 °C
Coldest
9.9 °C
Wettest
58%
Windiest
3.8 m/s
Prevailing
W
3.1 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 Newnan over the whole year is 17°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 4°C. The rainy (wet) season in Newnan runs from November to January, peaking in January with a 51% chance of rain on a given day. The dry season is October; October is the driest month, at 14%. Winds in Newnan are highest in March, averaging 2.6 m/s (9 km/h), and lightest in July, at 1.5 m/s (5 km/h). The prevailing wind is from the W. The clearest skies in Newnan come in October, when the sky is typically 35% covered; February is the cloudiest month, at 53%.
Month by month Newnan 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
10°C
4°C
6°C
51%
46%
2.5 m/s
15
0
42
February
14°C
7°C
11°C
28%
53%
2.4 m/s
35
1
63
March
17°C
9°C
14°C
45%
44%
2.6 m/s
51
4
70
April
21°C
12°C
19°C
39%
37%
2.3 m/s
68
18
63
May
25°C
17°C
25°C
44%
42%
1.9 m/s
60
49
32
June
29°C
21°C
30°C
49%
41%
1.7 m/s
26
64
5
July
30°C
23°C
33°C
46%
40%
1.5 m/s
6
49
0
August
30°C
22°C
32°C
43%
42%
1.5 m/s
11
53
2
September
28°C
19°C
28°C
45%
37%
1.6 m/s
36
57
16
October
23°C
13°C
22°C
14%
35%
1.8 m/s
69
30
51
November
17°C
8°C
14°C
35%
40%
2.0 m/s
47
6
70
December
12°C
6°C
9°C
44%
51%
2.2 m/s
23
0
57
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 Newnan weather by season
Year round, Newnan has days of about 10°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 4°C to 23°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around January and least likely around October. 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.
Newnan weather in winterDecember to February
High 12°CLow 6°CRain 41%
Winter in Newnan has typical daily highs of about 12°C and lows of about 6°C, with a 41% chance of rain on a given day.
Newnan weather in springMarch to May
High 21°CLow 13°CRain 43%
Spring in Newnan has typical daily highs of about 21°C and lows of about 13°C, with a 43% chance of rain on a given day.
Newnan weather in summerJune to August
High 30°CLow 22°CRain 46%
Summer in Newnan has typical daily highs of about 30°C and lows of about 22°C, with a 46% chance of rain on a given day.
Newnan weather in autumnSeptember to November
High 22°CLow 13°CRain 31%
Autumn in Newnan has typical daily highs of about 22°C and lows of about 13°C, with a 31% chance of rain on a given day.
When is the rainy season in Newnan?
The rainy (wet) season in Newnan runs from November to January, peaking in January with a 51% chance of rain on a given day. The dry season is October; October is the driest month, at 14%.
What time of year is Newnan windiest?
Winds in Newnan are highest in March, averaging 2.6 m/s (9 km/h), and lightest in July, at 1.5 m/s (5 km/h). The prevailing wind is from the W.
What is the average temperature in Newnan year round?
The average temperature in Newnan over the whole year is 17°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 4°C.