Sayama weather in February

In February, Sayama sees average daytime highs of 10°C and overnight lows near 1°C, with 65 mm of precipitation across 8.4 wet days and about 10.6 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 11°C by the end. The sky is clear or mostly clear about 45% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of February to 11 h 06 min by month's end. Set against the rest of the year, February is Sayama's 3rd-clearest and 4th-windiest month. For the whole year in context, see Sayama's year-round climate.

Daytime high
10°
11th warmest
Overnight low
2nd coldest
Precipitation
65 mm
8.4 wet days
Daylight
10 h 36 min
6:38 AM – 5:16 PM
Cloud cover
49%
3rd clearest
Wind
9 km/h
4th windiest
Solar energy
3.45 kWh/m²
Travel score
2.2
out of 10

Sayama is city in Saitama Prefecture, Japan.

Density
3,283/km²
people per km²
Founded
1954

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 11°C by the end.

A typical February day in Sayama reaches about 10°C in the afternoon and slips back to 1°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, February runs about 1°C warmer than January and about 3°C cooler than March.

-5°10°15°20°151015202528
Avg high (°C)Avg low (°C)
190
290
390
490
590
690
790
890
990
1090
1190
1290
1390
14100
15100
16101
17101
18101
19101
20101
21101
22101
23101
24101
25112
26112
27112
28112

How February really feels in Sayama

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
28
wind chill below the day's low

The story in February is cold — wind chill drags the overnight "feels like" below the raw low.

Sayama weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°697.52.59.81.9
Feb10° / 658.42.510.62.2
Mar13° / 12013.21.511.73.4
Apr18° / 12312.80.312.95.3
May22° / 14°13913.2013.96.1
Jun25° / 19°17715.4014.45.5
Jul29° / 23°18216.4014.24.6
Aug30° / 24°14215.5013.44.2
Sep26° / 20°20414.9012.25.5
Oct21° / 14°21513.7011.15.9
Nov16° / 9210.2010.15.0
Dec11° / 617.40.49.63.1

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 15% of February, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
17030
26931
36931
46931
56733
66733
76535
86535
96436
106337
116238
126139
136139
146040
156040
165941
175941
185842
195842
205743
215644
225644
235545
245545
255347
265347
275248
285248

Chance of precipitation in February

Any precipitationSnow

Sayama gets around 65 mm of rain and snow over 8.4 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 40% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
1259
2259
3259
4259
5259
62610
72610
82710
92710
102810
112910
122910
133010
143010
153110
16319
17329
18339
19339
20348
21358
22368
23368
24378
25387
26387
27397
28407

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202528
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100

Wind in February

Winds average 9 km/h in February.

Across February, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 12 min at the start of February to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over February. Sunrise moves from 6:50 AM to 6:22 AM, and sunset from 5:02 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.26:505:02
210.26:495:03
310.36:485:04
410.36:475:05
510.36:475:06
610.46:465:07
710.46:455:08
810.46:445:09
910.46:435:10
1010.56:425:11
1110.56:415:12
1210.56:415:13
1310.66:405:14
1410.66:395:15
1510.66:385:16
1610.76:365:17
1710.76:355:18
1810.86:345:19
1910.86:335:20
2010.86:325:21
2110.96:315:22
2210.96:305:23
2310.96:295:24
2411.06:275:25
2511.06:265:26
2611.06:255:27
2711.16:245:28
2811.16:225:29

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.45 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.03 kWh/m² in May across the year — February's 3.45 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
Planning a trip in February

Hazard calendar for Sayama

In seasonPeak

In February, Sayama sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sayama sits in the Pacific typhoon belt; the season peaks July–October.

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

Is February a good time to visit Sayama?

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

2.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

February is a weaker month for outdoor sightseeing in Sayama.

What to pack for Sayama in February

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

In February, Sayama sees daytime highs around 10°C and nights near 1°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Sayama in February

The nearest coast averages about 13°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 49 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Sayama in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February 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 Sayama peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Sayama in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sayama is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Sayama?

Sayama sits at 35.9°N, 139.4°E, 81 m above sea level, in Japan. The nearest listed city is Iruma, 6.0 km away.

Topography around Sayama

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

Within 3 km, the terrain around Sayama has only modest variations in elevation — a maximum elevation change of 82 m around an average of 69 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 498 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,072 m.

The land around Sayama is covered by artificial surfaces (66%) within 3 km, artificial surfaces (51%) and trees (30%) within 16 km, and trees (45%) and artificial surfaces (28%) within 80 km.

3 km
82 m
16 km
498 m
80 km
3,072 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Iruma 6.0 km · Tokorozawa 8.0 km · Hidaka 8.0 km · Hannō 8.0 km · Kawagoe 9.0 km · Kamifukuoka 9.0 km · Ōi 10 km · Higashiyamato 10 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 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 Sayama (35.8529°, 139.4121°, elevation 81 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).