Patan weather in December

In December, Patan sees average daytime highs of 16°C and overnight lows near 7°C, with 19 mm of rain across 3.3 wet days and about 10.3 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 58% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Patan's 1st-clearest and 7th-windiest month. For the whole year in context, see Patan's year-round climate.

Daytime high: 16°; 11th warmest
Overnight low: 7°; 2nd coldest
Rainfall: 19 mm; 3.3 wet days
Daylight: 10 h 18 min; 6:52 AM – 5:08 PM
Cloud cover: 38%; 1st clearest
Wind: 3 km/h; 7th windiest
Solar energy: 3.53 kWh/m²
Travel score: 6.3; out of 10

Patan is city in Kathmandu Valley, Nepal.

Density: 18,705/km²; people per km²
Founded: 1918

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Patan year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 15°C by the end.

A typical December day in Patan reaches about 16°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	18	18	18	18	17	17	17	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15
Avg low (°C)	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	5	5	5

	Avg high (°C)	Avg low (°C)
1	18	8
2	18	8
3	18	8
4	18	8
5	17	8
6	17	8
7	17	8
8	17	8
9	17	7
10	17	7
11	17	7
12	17	7
13	17	7
14	17	7
15	16	7
16	16	7
17	16	7
18	16	6
19	16	6
20	16	6
21	16	6
22	16	6
23	16	6
24	16	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	5
30	15	5
31	15	5

Patan weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	15° / 5°	44	6.3	10.4	5.2
Feb	17° / 7°	50	7.8	11	6.0
Mar	21° / 10°	54	9.5	11.8	6.8
Apr	24° / 13°	78	12.9	12.6	6.6
May	25° / 16°	198	22.4	13.4	5.1
Jun	25° / 19°	457	27.4	13.7	3.9
Jul	25° / 20°	784	31	13.6	3.3
Aug	25° / 20°	637	30.9	13	3.4
Sep	25° / 18°	334	28.4	12.2	3.9
Oct	23° / 14°	87	14.5	11.3	6.3
Nov	20° / 10°	22	6.2	10.6	7.1
Dec	16° / 7°	19	3.3	10.3	6.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	74	74	73	73	73	73	74	74	75	76	76	77	78	78	78	79	79	79	80	80	79	78	78	78	78	77	77	77	77	77	77
Cloudier (%)	26	26	27	27	27	27	26	26	25	24	24	23	22	22	22	21	21	21	20	20	21	22	22	22	22	23	23	23	23	23	23

	Clearer (%)	Cloudier (%)
1	74	26
2	74	26
3	73	27
4	73	27
5	73	27
6	73	27
7	74	26
8	74	26
9	75	25
10	76	24
11	76	24
12	77	23
13	78	22
14	78	22
15	78	22
16	79	21
17	79	21
18	79	21
19	80	20
20	80	20
21	79	21
22	78	22
23	78	22
24	78	22
25	78	22
26	77	23
27	77	23
28	77	23
29	77	23
30	77	23
31	77	23

Chance of precipitation in December

Any precipitation

Patan gets around 19 mm of rain over 3.3 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 16% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	11	11	11	12	12	12	13	13	14	14	15	15	16

	Rain chance (%)
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	9
12	9
13	9
14	9
15	10
16	10
17	10
18	10
19	11
20	11
21	11
22	12
23	12
24	12
25	13
26	13
27	14
28	14
29	15
30	15
31	16

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 3 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	3	calm
2	3	calm
3	3	calm
4	3	calm
5	3	calm
6	3	calm
7	3	calm
8	3	calm
9	3	calm
10	3	calm
11	3	calm
12	3	calm
13	3	calm
14	3	calm
15	3	calm
16	3	calm
17	3	calm
18	3	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	calm
31	3	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 24 min at the start of December to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:42 AM to 6:59 AM, and sunset from 5:05 PM to 5:15 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.4	10.4	10.4	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.2	10.2	10.2	10.2	10.2	10.3	10.3	10.3	10.3	10.3	10.3	10.3
Sunrise (AM)	6:42	6:43	6:44	6:44	6:45	6:46	6:46	6:47	6:48	6:48	6:49	6:50	6:50	6:51	6:52	6:52	6:53	6:53	6:54	6:54	6:55	6:55	6:56	6:56	6:57	6:57	6:57	6:58	6:58	6:58	6:59
Sunset (PM)	5:05	5:05	5:05	5:05	5:05	5:05	5:05	5:05	5:06	5:06	5:06	5:06	5:07	5:07	5:07	5:08	5:08	5:08	5:09	5:09	5:10	5:10	5:11	5:11	5:12	5:12	5:13	5:13	5:14	5:14	5:15

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.4	6:42	5:05
2	10.4	6:43	5:05
3	10.4	6:44	5:05
4	10.3	6:44	5:05
5	10.3	6:45	5:05
6	10.3	6:46	5:05
7	10.3	6:46	5:05
8	10.3	6:47	5:05
9	10.3	6:48	5:06
10	10.3	6:48	5:06
11	10.3	6:49	5:06
12	10.3	6:50	5:06
13	10.3	6:50	5:07
14	10.3	6:51	5:07
15	10.3	6:52	5:07
16	10.3	6:52	5:08
17	10.3	6:53	5:08
18	10.3	6:53	5:08
19	10.3	6:54	5:09
20	10.2	6:54	5:09
21	10.2	6:55	5:10
22	10.2	6:55	5:10
23	10.2	6:56	5:11
24	10.2	6:56	5:11
25	10.3	6:57	5:12
26	10.3	6:57	5:12
27	10.3	6:57	5:13
28	10.3	6:58	5:13
29	10.3	6:58	5:14
30	10.3	6:58	5:14
31	10.3	6:59	5:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.53 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 6.25 kWh/m² in April across the year — December's 3.53 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.6	3.6	3.6	3.6	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.6	3.6	3.6	3.6	3.6
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.6	Moderate
2	3.6	Moderate
3	3.6	Moderate
4	3.6	Moderate
5	3.5	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.5	Moderate
10	3.5	Moderate
11	3.5	Moderate
12	3.5	Moderate
13	3.5	Moderate
14	3.5	Moderate
15	3.5	Moderate
16	3.5	Moderate
17	3.5	Moderate
18	3.5	Moderate
19	3.5	Moderate
20	3.5	Moderate
21	3.5	Moderate
22	3.5	Moderate
23	3.5	Moderate
24	3.5	Moderate
25	3.5	Moderate
26	3.5	Moderate
27	3.6	Moderate
28	3.6	Moderate
29	3.6	Moderate
30	3.6	Moderate
31	3.6	Moderate

Planning a trip in December

Hazard calendar for Patan

In seasonPeak

None of Patan's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Patan's monsoon runs June–August, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Patan?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3

Sightseeing

4th-best month of the year

1.1

Beach & pool

11th-best month of the year

December is a reasonable time to visit Patan for sightseeing.

What to pack for Patan in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Patan sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

UV index in Patan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Patan peaks around July 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	4	5	9	9	9	9	12	11	10	8	5	4
Level	Moderate	Moderate	Very high	Very high	Very high	Very high	Extreme	Extreme	Very high	Very high	Moderate	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	5	Moderate
Mar	9	Very high
Apr	9	Very high
May	9	Very high
Jun	9	Very high
Jul	12	Extreme
Aug	11	Extreme
Sep	10	Very high
Oct	8	Very high
Nov	5	Moderate
Dec	4	Moderate

Air quality in Patan in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Patan is worst in January — around 144 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (July, 26 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	144	127	99	84	63	46	26	35	48	77	111	142
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Moderate	Moderate	Poor	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	144	Unhealthy
Feb	127	Unhealthy
Mar	99	Unhealthy
Apr	84	Unhealthy
May	63	Unhealthy
Jun	46	Poor
Jul	26	Moderate
Aug	35	Moderate
Sep	48	Poor
Oct	77	Unhealthy
Nov	111	Unhealthy
Dec	142	Unhealthy

Location & terrain

Where is Patan?

Patan sits at 27.7°N, 85.3°E, 1,334 m above sea level, in Nepal. The nearest listed city is Kathmandu, 3.0 km away.

Topography around Patan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Patan.

Within 3 km, the terrain around Patan has only modest variations in elevation — a maximum elevation change of 168 m around an average of 1,305 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,914 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,101 m.

The land around Patan is covered by artificial surfaces (79%) within 3 km, trees (51%) and cropland (21%) within 16 km, and trees (70%) within 80 km.

3 km

168 m

artificial surfaces 79%

16 km

1,914 m

trees 51%

80 km

7,101 m

trees 70%

treesgrasslandcroplandartificial surfacesbare terrainsnow and icemoss and lichen

← November Patan year-round climate January →Best places to visit in December

December weather nearby: Kathmandu 3.0 km · Ki̇̄rtipur 4.0 km · Madhyapur Thimi 7.0 km · Bhaktapur 11 km · Nagarkot 21 km · Banepā 21 km · Panauti 23 km · Dhulikhel 23 km

Nepal travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / D / M; 230 V · 50 Hz
Prices: ≈ 24% of US; price level, 2025
GDP per capita: $1,536; 2025
Happiness: 5.1 / 10; World Happiness, 2025
Safe drinking water: 16%; of population, 2024
Homicide rate: 2.1; per 100k, 2020
Road deaths: 16.3; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Moderate; EF EPI 514
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Patan (27.6766°, 85.3142°, elevation 1,334 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	18	8
2	18	8
3	18	8
4	18	8
5	17	8
6	17	8
7	17	8
8	17	8
9	17	7
10	17	7
11	17	7
12	17	7
13	17	7
14	17	7
15	16	7
16	16	7
17	16	7
18	16	6
19	16	6
20	16	6
21	16	6
22	16	6
23	16	6
24	16	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	5
30	15	5
31	15	5

	Clearer (%)	Cloudier (%)
1	74	26
2	74	26
3	73	27
4	73	27
5	73	27
6	73	27
7	74	26
8	74	26
9	75	25
10	76	24
11	76	24
12	77	23
13	78	22
14	78	22
15	78	22
16	79	21
17	79	21
18	79	21
19	80	20
20	80	20
21	79	21
22	78	22
23	78	22
24	78	22
25	78	22
26	77	23
27	77	23
28	77	23
29	77	23
30	77	23
31	77	23

	Rain chance (%)
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	9
12	9
13	9
14	9
15	10
16	10
17	10
18	10
19	11
20	11
21	11
22	12
23	12
24	12
25	13
26	13
27	14
28	14
29	15
30	15
31	16

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	18	8
2	18	8
3	18	8
4	18	8
5	17	8
6	17	8
7	17	8
8	17	8
9	17	7
10	17	7
11	17	7
12	17	7
13	17	7
14	17	7
15	16	7
16	16	7
17	16	7
18	16	6
19	16	6
20	16	6
21	16	6
22	16	6
23	16	6
24	16	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	5
30	15	5
31	15	5

	Clearer (%)	Cloudier (%)
1	74	26
2	74	26
3	73	27
4	73	27
5	73	27
6	73	27
7	74	26
8	74	26
9	75	25
10	76	24
11	76	24
12	77	23
13	78	22
14	78	22
15	78	22
16	79	21
17	79	21
18	79	21
19	80	20
20	80	20
21	79	21
22	78	22
23	78	22
24	78	22
25	78	22
26	77	23
27	77	23
28	77	23
29	77	23
30	77	23
31	77	23

	Rain chance (%)
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	9
12	9
13	9
14	9
15	10
16	10
17	10
18	10
19	11
20	11
21	11
22	12
23	12
24	12
25	13
26	13
27	14
28	14
29	15
30	15
31	16

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	18	8
2	18	8
3	18	8
4	18	8
5	17	8
6	17	8
7	17	8
8	17	8
9	17	7
10	17	7
11	17	7
12	17	7
13	17	7
14	17	7
15	16	7
16	16	7
17	16	7
18	16	6
19	16	6
20	16	6
21	16	6
22	16	6
23	16	6
24	16	6
25	15	6
26	15	6
27	15	6
28	15	6
29	15	5
30	15	5
31	15	5

	Clearer (%)	Cloudier (%)
1	74	26
2	74	26
3	73	27
4	73	27
5	73	27
6	73	27
7	74	26
8	74	26
9	75	25
10	76	24
11	76	24
12	77	23
13	78	22
14	78	22
15	78	22
16	79	21
17	79	21
18	79	21
19	80	20
20	80	20
21	79	21
22	78	22
23	78	22
24	78	22
25	78	22
26	77	23
27	77	23
28	77	23
29	77	23
30	77	23
31	77	23

	Rain chance (%)
1	9
2	9
3	9
4	9
5	9
6	9
7	9
8	9
9	9
10	9
11	9
12	9
13	9
14	9
15	10
16	10
17	10
18	10
19	11
20	11
21	11
22	12
23	12
24	12
25	13
26	13
27	14
28	14
29	15
30	15
31	16

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100