Samtse features a dry-winter humid subtropical climate (Köppen Cwa) with very heavy rainfall in summer.
| Climate data for Samtse (Sibsu), elevation 550 m (1,800 ft), (1996–2017 normals) |
| Month |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
| Record high °C (°F) |
30.0
(86.0) |
32.0
(89.6) |
32.0
(89.6) |
34.0
(93.2) |
34.0
(93.2) |
34.0
(93.2) |
34.5
(94.1) |
34.5
(94.1) |
34.0
(93.2) |
34.5
(94.1) |
32.0
(89.6) |
30.2
(86.4) |
34.5
(94.1) |
| Mean daily maximum °C (°F) |
21.2
(70.2) |
23.5
(74.3) |
26.6
(79.9) |
28.1
(82.6) |
28.8
(83.8) |
29.0
(84.2) |
28.6
(83.5) |
29.2
(84.6) |
29.2
(84.6) |
28.6
(83.5) |
26.0
(78.8) |
23.3
(73.9) |
26.8
(80.3) |
| Daily mean °C (°F) |
17.1
(62.8) |
19.4
(66.9) |
22.5
(72.5) |
24.3
(75.7) |
25.3
(77.5) |
26.2
(79.2) |
26.2
(79.2) |
26.6
(79.9) |
26.4
(79.5) |
24.9
(76.8) |
21.9
(71.4) |
19.0
(66.2) |
23.3
(74.0) |
| Mean daily minimum °C (°F) |
13.0
(55.4) |
15.2
(59.4) |
18.3
(64.9) |
20.5
(68.9) |
21.8
(71.2) |
23.3
(73.9) |
23.7
(74.7) |
24.0
(75.2) |
23.6
(74.5) |
21.2
(70.2) |
17.7
(63.9) |
14.7
(58.5) |
19.7
(67.6) |
| Record low °C (°F) |
6.0
(42.8) |
10.0
(50.0) |
11.0
(51.8) |
15.0
(59.0) |
15.5
(59.9) |
18.5
(65.3) |
17.0
(62.6) |
20.0
(68.0) |
19.0
(66.2) |
16.5
(61.7) |
13.0
(55.4) |
8.0
(46.4) |
6.0
(42.8) |
| Average rainfall mm (inches) |
20.6
(0.81) |
40.4
(1.59) |
102.6
(4.04) |
333.4
(13.13) |
631.1
(24.85) |
1,069.1
(42.09) |
1,216.8
(47.91) |
1,075.2
(42.33) |
665.9
(26.22) |
213.8
(8.42) |
32.9
(1.30) |
14.3
(0.56) |
5,416.1
(213.25) |
| Average rainy days (≥ 0.1 mm) |
2.5 |
4.3 |
8.7 |
15.1 |
21.0 |
25.7 |
28.8 |
27.7 |
22.1 |
10.3 |
2.6 |
1.6 |
170.4 |
| Average relative humidity (%) |
57.3 |
59.6 |
59.1 |
65.2 |
72.1 |
81.9 |
85.6 |
83.0 |
80.1 |
68.5 |
60.7 |
57.0 |
69.2 |
| Source 1: National Center for Hydrology and Meteorology[3] |
| Source 2: World Meteorological Organization (rainy days 1996–2018)[4] |
Bhutan
