Nan weather by month

Check out Nan weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Nan (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	30	33	35	36	34	33	32	32	32	32	30	29
Min temperature (night-time)	13	15	18	22	23	24	24	23	23	22	18	14
Heat & Humidity	M	H	VH	E	VH	VH	VH	VH	VH	VH	H	M

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Nan

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	9	9	9	9	7	6	5	5	6	7	8	8
Daily hours of daylight	11	12	12	13	13	13	13	13	12	12	11	11
UV Index (Maximum)	9	11	11	11	11	11	11	11	11	10	9	8

Rainfall in Nan

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	2	2	3	9	17	17	20	22	18	11	4	1
Average monthly rainfall (mm)	9	12	28	99	191	171	210	267	195	92	21	5

More about Nan

Nan by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Thailand

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The climate guide for Thailand (Nan) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Nan?

Nan has a hot tropical climate with a winter dry season.

Nan weather in January

Expect daytime maximum temperatures of 30°C in Nan, Thailand in January based on long-term weather averages. There are 9 hours of sunshine per day on average.

30
30°C max day temperature
9
9 hours of sunshine per day
2
2 days with some rainfall
13
13°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
9
9 mm of monthly rainfall
9
9 (Very High) UV index

Back to months

Nan weather in February

Expect daytime maximum temperatures of 33°C in Nan, Thailand in February and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average.

33
33°C max day temperature
9
9 hours of sunshine per day
2
2 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
12
12 mm of monthly rainfall
11
11 (Extreme) UV index

Back to months

Nan weather in March

Expect daytime maximum temperatures of 35°C in Nan, Thailand in March and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average.

35
35°C max day temperature
9
9 hours of sunshine per day
3
3 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
28
28 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in April

Expect daytime maximum temperatures of 36°C in Nan, Thailand in April and extreme heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 99 mm of rainfall in the month.

36
36°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
E
Extreme heat & humidity
99
99 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in May

Expect daytime maximum temperatures of 34°C in Nan, Thailand in May and extreme heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 191 mm of rainfall in the month.

34
34°C max day temperature
7
7 hours of sunshine per day
17
17 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
191
191 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in June

Expect daytime maximum temperatures of 33°C in Nan, Thailand in June and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 171 mm of rainfall in the month.

33
33°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
171
171 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in July

Expect daytime maximum temperatures of 32°C in Nan, Thailand in July and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 20 days with some rainfall and typically 210 mm of rainfall in the month.

32
32°C max day temperature
5
5 hours of sunshine per day
20
20 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
210
210 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in August

Expect daytime maximum temperatures of 32°C in Nan, Thailand in August and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 22 days with some rainfall and typically 267 mm of rainfall in the month.

32
32°C max day temperature
5
5 hours of sunshine per day
22
22 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
267
267 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in September

Expect daytime maximum temperatures of 32°C in Nan, Thailand in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 195 mm of rainfall in the month.

32
32°C max day temperature
6
6 hours of sunshine per day
18
18 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
195
195 mm of monthly rainfall
11
11+ (Extreme) UV index

Back to months

Nan weather in October

Expect daytime maximum temperatures of 32°C in Nan, Thailand in October and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 92 mm of rainfall in the month.

32
32°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
22
22°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
92
92 mm of monthly rainfall
10
10 (Very High) UV index

Back to months

Nan weather in November

Expect daytime maximum temperatures of 30°C in Nan, Thailand in November and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

30
30°C max day temperature
8
8 hours of sunshine per day
4
4 days with some rainfall
18
18°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
21
21 mm of monthly rainfall
9
9 (Very High) UV index

Back to months

Nan weather in December

Expect daytime maximum temperatures of 29°C in Nan, Thailand in December based on long-term weather averages. There are 8 hours of sunshine per day on average.