Annaka weather in February

In February, Annaka sees average daytime highs of 9°C and overnight lows near -0°C, with 71 mm of precipitation across 9.6 wet days and about 10.6 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 10°C by the end. The sky is clear or mostly clear about 43% 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 Annaka's 4th-clearest and 1st-windiest month. For the whole year in context, see Annaka's year-round climate.

Daytime high: 9°; 11th warmest
Overnight low: -0°; 2nd coldest
Precipitation: 71 mm; 9.6 wet days
Daylight: 10 h 36 min; 6:40 AM – 5:18 PM
Cloud cover: 50%; 4th clearest
Wind: 8 km/h; 1st windiest
Solar energy: 3.69 kWh/m²
Travel score: 1.6; out of 10

Annaka is city in Gunma Prefecture, Japan.

Density: 206/km²; people per km²
Founded: 1958

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

← January Annaka year-round climate March →Best places to visit in February

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 10°C by the end.

A typical February day in Annaka reaches about 9°C in the afternoon and slips back to -0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 13°C. Set against its neighbours, February runs about 1°C warmer than January and about 4°C cooler than March.

	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
Avg high (°C)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	9	9	9	9	9	10	10	10	10
Avg low (°C)	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1

	Avg high (°C)	Avg low (°C)
1	8	-1
2	8	-1
3	8	-1
4	8	-1
5	8	-1
6	8	-1
7	8	-1
8	8	-1
9	8	-1
10	8	-1
11	8	-1
12	8	-1
13	8	0
14	8	0
15	9	0
16	9	0
17	9	0
18	9	0
19	9	0
20	9	0
21	9	0
22	9	0
23	9	0
24	9	0
25	10	0
26	10	1
27	10	1
28	10	1

How February really feels in Annaka

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Annaka weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	8° / -1°	68	8.5	3.8	9.8	1.4
Feb	9° / -0°	71	9.6	4.1	10.6	1.6
Mar	12° / 3°	131	14.4	3.3	11.7	3.0
Apr	17° / 8°	148	14.7	0.4	12.9	4.9
May	22° / 13°	178	16	0	13.9	5.6
Jun	24° / 17°	239	20.7	0	14.4	4.9
Jul	28° / 21°	288	23.2	0	14.2	4.2
Aug	29° / 22°	225	22.1	0	13.4	4.1
Sep	25° / 18°	257	19.8	0	12.2	5.1
Oct	20° / 12°	225	16.9	0	11.1	5.3
Nov	15° / 7°	85	9.9	0.1	10.1	4.6
Dec	10° / 2°	61	8.3	1.1	9.6	2.6

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 20% of February, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over 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
Clearer (%)	67	68	68	68	67	67	66	65	64	64	64	63	63	63	62	62	61	60	60	59	59	58	59	58	58	57	56	56
Cloudier (%)	33	32	32	32	33	33	34	35	36	36	36	37	37	37	38	38	39	40	40	41	41	42	41	42	42	43	44	44

	Clearer (%)	Cloudier (%)
1	67	33
2	68	32
3	68	32
4	68	32
5	67	33
6	67	33
7	66	34
8	65	35
9	64	36
10	64	36
11	64	36
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	60	40
20	59	41
21	59	41
22	58	42
23	59	41
24	58	42
25	58	42
26	57	43
27	56	44
28	56	44

Chance of precipitation in February

Any precipitationSnow

Annaka gets around 71 mm of rain and snow over 9.6 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 35% and peaks near 42% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

	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
Rain chance (%)	30	30	31	31	32	32	33	34	34	35	35	35	35	35	35	35	35	36	36	36	37	37	38	39	40	40	41	42
Snow chance (%)	16	16	16	16	16	16	16	16	16	16	16	15	15	15	14	14	14	14	13	13	13	13	13	13	14	14	14	14

	Rain chance (%)	Snow chance (%)
1	30	16
2	30	16
3	31	16
4	31	16
5	32	16
6	32	16
7	33	16
8	34	16
9	34	16
10	35	16
11	35	16
12	35	15
13	35	15
14	35	15
15	35	14
16	35	14
17	35	14
18	36	14
19	36	13
20	36	13
21	37	13
22	37	13
23	38	13
24	39	13
25	40	14
26	40	14
27	41	14
28	42	14

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.

	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
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

	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

Wind in February

Winds average 8 km/h in February, the windiest month of the year.

Across February, daily wind ranges from about 8 km/h on the calmest days to 8 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
Wind speed (km/h)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
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

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

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 6:53 AM to 6:25 AM, and sunset from 5:03 PM to 5:31 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
Daylight (h)	10.2	10.2	10.2	10.3	10.3	10.3	10.4	10.4	10.4	10.5	10.5	10.5	10.6	10.6	10.6	10.7	10.7	10.7	10.8	10.8	10.8	10.9	10.9	10.9	11.0	11.0	11.1	11.1
Sunrise (AM)	6:53	6:52	6:51	6:50	6:50	6:49	6:48	6:47	6:46	6:45	6:44	6:43	6:42	6:41	6:40	6:39	6:38	6:37	6:36	6:35	6:34	6:32	6:31	6:30	6:29	6:28	6:26	6:25
Sunset (PM)	5:03	5:04	5:05	5:06	5:07	5:08	5:09	5:10	5:12	5:13	5:14	5:15	5:16	5:17	5:18	5:19	5:20	5:21	5:22	5:23	5:24	5:25	5:26	5:27	5:28	5:29	5:30	5:31

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.2	6:53	5:03
2	10.2	6:52	5:04
3	10.2	6:51	5:05
4	10.3	6:50	5:06
5	10.3	6:50	5:07
6	10.3	6:49	5:08
7	10.4	6:48	5:09
8	10.4	6:47	5:10
9	10.4	6:46	5:12
10	10.5	6:45	5:13
11	10.5	6:44	5:14
12	10.5	6:43	5:15
13	10.6	6:42	5:16
14	10.6	6:41	5:17
15	10.6	6:40	5:18
16	10.7	6:39	5:19
17	10.7	6:38	5:20
18	10.7	6:37	5:21
19	10.8	6:36	5:22
20	10.8	6:35	5:23
21	10.8	6:34	5:24
22	10.9	6:32	5:25
23	10.9	6:31	5:26
24	10.9	6:30	5:27
25	11.0	6:29	5:28
26	11.0	6:28	5:29
27	11.1	6:26	5:30
28	11.1	6:25	5:31

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.69 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.31 kWh/m² in May across the year — February's 3.69 kWh/m² falls in the middle.

	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
Solar energy (kWh/m²)	3.3	3.3	3.4	3.4	3.4	3.5	3.5	3.5	3.5	3.6	3.6	3.6	3.6	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	4.0	4.0	4.0
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	Bright

	Solar energy (kWh/m²)	Level
1	3.3	Moderate
2	3.3	Moderate
3	3.4	Moderate
4	3.4	Moderate
5	3.4	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.5	Moderate
10	3.6	Moderate
11	3.6	Moderate
12	3.6	Moderate
13	3.6	Moderate
14	3.7	Moderate
15	3.7	Moderate
16	3.7	Moderate
17	3.7	Moderate
18	3.8	Moderate
19	3.8	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.9	Moderate
23	3.9	Moderate
24	3.9	Moderate
25	3.9	Moderate
26	4.0	Moderate
27	4.0	Moderate
28	4.0	Bright

Planning a trip in February

Hazard calendar for Annaka

In seasonPeak

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

Annaka's rainy season runs March–October, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is February a good time to visit Annaka?

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

1.6

Sightseeing

11th-best month of the year

0.0

Beach & pool

10th-best month of the year

February is a weaker month for outdoor sightseeing in Annaka.

What to pack for Annaka in February

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

In February, Annaka sees daytime highs around 9°C and nights near -0°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Annaka 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 Annaka peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	4	6	7	8	9	10	9	9	6	3	2
Level	Moderate	Moderate	High	High	Very high	Very high	Very high	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	4	Moderate
Mar	6	High
Apr	7	High
May	8	Very high
Jun	9	Very high
Jul	10	Very high
Aug	9	Very high
Sep	9	Very high
Oct	6	High
Nov	3	Moderate
Dec	2	Moderate

Air quality in Annaka 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 Annaka is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 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)	11	14	19	21	20	18	15	14	13	12	11	10
Level	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	11	Good
Feb	14	Moderate
Mar	19	Moderate
Apr	21	Moderate
May	20	Moderate
Jun	18	Moderate
Jul	15	Moderate
Aug	14	Moderate
Sep	13	Moderate
Oct	12	Moderate
Nov	11	Good
Dec	10	Good

Location & terrain

Where is Annaka?

Annaka sits at 36.3°N, 138.9°E, 170 m above sea level, in Japan. The nearest listed city is Tomioka, 8.0 km away.

Topography around Annaka

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

Within 3 km, the terrain around Annaka has only modest variations in elevation — a maximum elevation change of 222 m around an average of 189 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,326 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,851 m.

The land around Annaka is covered by trees (45%) and artificial surfaces (25%) within 3 km, trees (60%) and artificial surfaces (23%) within 16 km, and trees (75%) within 80 km.

3 km

222 m

trees 45%

16 km

1,326 m

trees 60%

80 km

2,851 m

trees 75%

treesgrasslandcroplandartificial surfacesbare terrainwater

← January Annaka year-round climate March →Best places to visit in February

February weather nearby: Tomioka 8.0 km · Takasaki 11 km · Yoshii 12 km · Kanekomachi 13 km · Ogura 17 km · Fujioka 18 km · Maebashi 19 km · Shibukawa 19 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

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 Annaka (36.3301°, 138.8958°, elevation 170 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	8	-1
2	8	-1
3	8	-1
4	8	-1
5	8	-1
6	8	-1
7	8	-1
8	8	-1
9	8	-1
10	8	-1
11	8	-1
12	8	-1
13	8	0
14	8	0
15	9	0
16	9	0
17	9	0
18	9	0
19	9	0
20	9	0
21	9	0
22	9	0
23	9	0
24	9	0
25	10	0
26	10	1
27	10	1
28	10	1

	Clearer (%)	Cloudier (%)
1	67	33
2	68	32
3	68	32
4	68	32
5	67	33
6	67	33
7	66	34
8	65	35
9	64	36
10	64	36
11	64	36
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	60	40
20	59	41
21	59	41
22	58	42
23	59	41
24	58	42
25	58	42
26	57	43
27	56	44
28	56	44

	Rain chance (%)	Snow chance (%)
1	30	16
2	30	16
3	31	16
4	31	16
5	32	16
6	32	16
7	33	16
8	34	16
9	34	16
10	35	16
11	35	16
12	35	15
13	35	15
14	35	15
15	35	14
16	35	14
17	35	14
18	36	14
19	36	13
20	36	13
21	37	13
22	37	13
23	38	13
24	39	13
25	40	14
26	40	14
27	41	14
28	42	14

	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

	Avg high (°C)	Avg low (°C)
1	8	-1
2	8	-1
3	8	-1
4	8	-1
5	8	-1
6	8	-1
7	8	-1
8	8	-1
9	8	-1
10	8	-1
11	8	-1
12	8	-1
13	8	0
14	8	0
15	9	0
16	9	0
17	9	0
18	9	0
19	9	0
20	9	0
21	9	0
22	9	0
23	9	0
24	9	0
25	10	0
26	10	1
27	10	1
28	10	1

	Clearer (%)	Cloudier (%)
1	67	33
2	68	32
3	68	32
4	68	32
5	67	33
6	67	33
7	66	34
8	65	35
9	64	36
10	64	36
11	64	36
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	60	40
20	59	41
21	59	41
22	58	42
23	59	41
24	58	42
25	58	42
26	57	43
27	56	44
28	56	44

	Rain chance (%)	Snow chance (%)
1	30	16
2	30	16
3	31	16
4	31	16
5	32	16
6	32	16
7	33	16
8	34	16
9	34	16
10	35	16
11	35	16
12	35	15
13	35	15
14	35	15
15	35	14
16	35	14
17	35	14
18	36	14
19	36	13
20	36	13
21	37	13
22	37	13
23	38	13
24	39	13
25	40	14
26	40	14
27	41	14
28	42	14

	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

	Avg high (°C)	Avg low (°C)
1	8	-1
2	8	-1
3	8	-1
4	8	-1
5	8	-1
6	8	-1
7	8	-1
8	8	-1
9	8	-1
10	8	-1
11	8	-1
12	8	-1
13	8	0
14	8	0
15	9	0
16	9	0
17	9	0
18	9	0
19	9	0
20	9	0
21	9	0
22	9	0
23	9	0
24	9	0
25	10	0
26	10	1
27	10	1
28	10	1

	Clearer (%)	Cloudier (%)
1	67	33
2	68	32
3	68	32
4	68	32
5	67	33
6	67	33
7	66	34
8	65	35
9	64	36
10	64	36
11	64	36
12	63	37
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	60	40
20	59	41
21	59	41
22	58	42
23	59	41
24	58	42
25	58	42
26	57	43
27	56	44
28	56	44

	Rain chance (%)	Snow chance (%)
1	30	16
2	30	16
3	31	16
4	31	16
5	32	16
6	32	16
7	33	16
8	34	16
9	34	16
10	35	16
11	35	16
12	35	15
13	35	15
14	35	15
15	35	14
16	35	14
17	35	14
18	36	14
19	36	13
20	36	13
21	37	13
22	37	13
23	38	13
24	39	13
25	40	14
26	40	14
27	41	14
28	42	14

	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