Phitsanulok weather in January

In January, Phitsanulok sees average daytime highs of 32°C and overnight lows near 19°C, with 11 mm of rain across 2.3 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 67% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Phitsanulok's 2nd-clearest and 8th-windiest month. For the whole year in context, see Phitsanulok's year-round climate.

Daytime high
32°
11th warmest
Overnight low
19°
1st coldest
Rainfall
11 mm
2.3 wet days
Daylight
11 h 06 min
6:55 AM – 6:01 PM
Cloud cover
32%
2nd clearest
Wind
5 km/h
8th windiest
Solar energy
4.85 kWh/m²
Travel score
4.9
out of 10

Phitsanulok is city in Phitsanulok province, Thailand.

Density
3,420/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Phitsanulok reaches about 32°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13219
23219
33219
43219
53219
63219
73219
83219
93219
103219
113219
123219
133219
143219
153219
163219
173219
183220
193220
203220
213320
223320
233320
243320
253320
263320
273320
283320
293320
303320
313320

How January really feels in Phitsanulok

Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Phitsanulok weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°112.311.14.9
Feb34° / 21°131.811.43.6
Mar37° / 25°314.511.92.0
Apr38° / 27°639.512.41.1
May36° / 27°20321.712.81.5
Jun34° / 27°25325.8131.8
Jul33° / 26°27226.812.92.0
Aug33° / 26°31427.812.62.1
Sep33° / 26°27726.112.12.1
Oct33° / 25°12216.511.63.1
Nov33° / 23°243.711.24.4
Dec32° / 20°101.4115.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
27822
37822
47822
57723
67723
77723
87624
97624
107624
117624
127723
137723
147822
157822
167921
177921
188119
198119
208119
218218
228218
238317
248317
258317
268416
278416
288515
298515
308614
318614

Chance of precipitation in January

Any precipitation

Phitsanulok gets around 11 mm of rain over 2.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
38
48
58
68
78
88
98
108
118
127
137
147
157
166
176
186
196
206
216
226
237
247
257
267
278
288
298
308
318

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14122940151
24112940151
33103041151
43103041151
5393142151
6393142151
7283142151
8283243151
9283243151
10283243141
11283243141
12283243141
13293243141
14293243141
15293243141
16293243140
17293143150
18293142150
19293042160
20393042160
21392941170
22392941180
23392841190
24392741190
25492640200
264102540210
274102540210
284102440220
294102439220
304102439220
314112438220

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:52 AM to 6:55 AM, and sunset from 5:52 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:525:52
211.06:525:53
311.06:525:54
411.06:535:54
511.06:535:55
611.06:535:55
711.06:545:56
811.06:545:56
911.06:545:57
1011.16:545:58
1111.16:555:58
1211.16:555:59
1311.16:555:59
1411.16:556:00
1511.16:556:01
1611.16:556:01
1711.16:556:02
1811.16:566:02
1911.16:566:03
2011.16:566:03
2111.16:566:04
2211.16:566:05
2311.26:566:05
2411.26:566:06
2511.26:566:06
2611.26:566:07
2711.26:556:07
2811.26:556:08
2911.26:556:09
3011.26:556:09
3111.26:556:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.85 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 6.4 kWh/m² in April across the year — January's 4.85 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in January

Hazard calendar for Phitsanulok

In seasonPeak

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

Phitsanulok's monsoon runs May–September, when most of the year's rain falls.

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

Is January a good time to visit Phitsanulok?

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

4.9
Sightseeing
2nd-best month of the year
8.0
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Phitsanulok for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Phitsanulok in January

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

In January, Phitsanulok sees daytime highs around 32°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Phitsanulok in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phitsanulok peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 13UV 13Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar11Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Phitsanulok in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Phitsanulok is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (June, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1355 µg/m³Jun 2223 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb52Poor
Mar56Unhealthy
Apr46Poor
May32Moderate
Jun23Moderate
Jul24Moderate
Aug24Moderate
Sep28Moderate
Oct34Moderate
Nov38Poor
Dec42Poor
Location & terrain

Where is Phitsanulok?

Phitsanulok sits at 16.8°N, 100.3°E, 50 m above sea level, in Thailand. The nearest listed city is Ban Aranyik, 3.0 km away.

Topography around Phitsanulok

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

Within 3 km, the terrain around Phitsanulok has only modest variations in elevation — a maximum elevation change of 15 m around an average of 47 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 214 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,404 m.

The land around Phitsanulok is covered by artificial surfaces (54%) and trees (35%) within 3 km, cropland (64%) and trees (22%) within 16 km, and cropland (62%) and trees (34%) within 80 km.

3 km
15 m
16 km
214 m
80 km
1,404 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ban Aranyik 3.0 km · Bang Rakam 17 km · Bang Krathum 28 km · Phichit 44 km · Sukhothai 51 km · Ban Na 60 km · Taphan Hin 69 km · Sawankhalok 71 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Phitsanulok (16.8248°, 100.2586°, elevation 50 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).