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| Climatological Information for Chiang Mai, Thailand |
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| Location of weather station : 18.8 N, 99.0 E, altitude : 314 m |
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 Data Period |
 Jan |
 Feb |
 Mar |
 Apr |
 May |
 Jun |
 Jul |
 Aug |
 Sep |
 Oct |
 Nov |
 Dec |
Mean Maximum Temperature (deg. C) |
1961-1990 |
28.9 |
32.2 |
34.9 |
36.1 |
34.1 |
32.3 |
31.7 |
31.1 |
31.3 |
31.1 |
29.8 |
28.3 |
Mean Temperature (deg. C) |
1961-1990 |
20.5 |
22.9 |
26.4 |
28.7 |
28.1 |
27.3 |
27.0 |
26.6 |
26.5 |
25.8 |
23.8 |
21.0 |
Mean Minimum Temperature (deg. C) |
1961-1990 |
13.7 |
14.9 |
18.2 |
21.8 |
23.4 |
23.7 |
23.6 |
23.4 |
23.0 |
21.8 |
19.0 |
15.0 |
| Rainfall Amount (mm) |
1961-1990 |
7.0 |
5.0 |
13.0 |
50.0 |
158.0 |
132.0 |
161.0 |
236.0 |
228.0 |
122.0 |
53.0 |
20.0 |
| Days with Rain* |
1961-1990 |
1.0 |
1.0 |
1.0 |
5.0 |
12.0 |
12.0 |
14.0 |
17.0 |
14.0 |
9.0 |
4.0 |
1.0 |
Mean Daily Sunshine Duration (hours) |
1961-1990 |
9.1 |
9.8 |
9.0 |
9.0 |
8.6 |
6.0 |
5.0 |
4.6 |
5.8 |
7.2 |
7.8 |
8.3 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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