Iida weather in March

In March, Iida sees average daytime highs of 8°C and overnight lows near -2°C, with 171 mm of precipitation across 13.1 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 10°C by the end. The sky is clear or mostly clear about 34% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Iida's 5th-clearest and 1st-windiest month. For the whole year in context, see Iida's year-round climate.

Daytime high
9th warmest
Overnight low
-2°
4th coldest
Precipitation
171 mm
13.1 wet days
Daylight
11 h 42 min
6:07 AM – 5:50 PM
Cloud cover
57%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
4.62 kWh/m²
Travel score
1.1
out of 10

Iida is city in Nagano Prefecture, Japan.

Density
154/km²
people per km²
Founded
1937

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 10°C by the end.

A typical March day in Iida reaches about 8°C in the afternoon and slips back to -2°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, March runs about 4°C warmer than February and about 6°C cooler than April.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
15-4
25-4
36-4
46-4
56-4
66-3
76-3
86-3
96-3
106-3
117-3
127-3
137-3
147-2
157-2
167-2
178-2
188-2
198-2
208-2
218-1
228-1
239-1
249-1
259-1
2690
2790
28100
29100
30100
31101

How March really feels in Iida

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Iida weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°9911.7119.90.0
Feb / -6°10710.28.110.70.0
Mar / -2°17113.1711.71.1
Apr14° / 17412.91.412.93.6
May19° / 19113.7013.85.4
Jun22° / 14°26318014.45.0
Jul25° / 18°30820.3014.25.0
Aug27° / 19°18418.6013.35.3
Sep23° / 15°22815.5012.25.7
Oct18° / 21012.9011.15.3
Nov11° / 12610.41.210.12.9
Dec / -3°100127.99.60.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45248
55446
65446
75446
85446
95446
105545
115545
125644
135644
145644
155644
165644
175644
185644
195644
205644
215644
225545
235545
245545
255545
265446
275446
285347
295347
305347
315248

Chance of precipitation in March

Any precipitationSnow

Iida gets around 171 mm of rain and snow over 13.1 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 44% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14026
24026
34026
44127
54127
64127
74127
84127
94127
104126
114126
124125
134125
144124
154123
164223
174222
184221
194221
204220
214319
224319
234318
244318
254417
264417
274416
284416
294415
304315
314314

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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%151015202531
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
29100
30100
31100

Wind in March

Winds average 7 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over March. Sunrise moves from 6:27 AM to 5:45 AM, and sunset from 5:37 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:275:37
211.26:265:38
311.26:255:39
411.36:235:39
511.36:225:40
611.36:215:41
711.46:195:42
811.46:185:43
911.56:175:44
1011.56:155:45
1111.56:145:46
1211.66:125:47
1311.66:115:47
1411.66:105:48
1511.76:085:49
1611.76:075:50
1711.86:055:51
1811.86:045:52
1911.86:025:53
2011.96:015:53
2111.95:595:54
2212.05:585:55
2312.05:575:56
2412.05:555:57
2512.15:545:58
2612.15:525:58
2712.15:515:59
2812.25:496:00
2912.25:486:01
3012.35:466:02
3112.35:456:03

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.62 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.47 kWh/m² in May across the year — March's 4.62 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in March

Is March a good time to visit Iida?

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

1.1
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Iida.

What to pack for Iida in March

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

In March, Iida sees daytime highs around 8°C and nights near -2°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 13 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Iida in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iida peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highExtremeVery highModerateJul 13UV 11Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Iida in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Iida is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1818 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar16Moderate
Apr18Moderate
May17Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Iida?

Iida sits at 35.5°N, 137.8°E, 517 m above sea level, in Japan. The nearest listed city is Komagane, 24 km away.

Topography around Iida

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

Within 3 km, the terrain around Iida has large variations in elevation — a maximum elevation change of 733 m around an average of 565 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,037 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,167 m.

The land around Iida is covered by artificial surfaces (53%) and trees (36%) within 3 km, trees (86%) within 16 km, and trees (90%) within 80 km.

3 km
733 m
16 km
2,037 m
80 km
3,167 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Komagane 24 km · Nakatsugawa 29 km · Ina 36 km · Ena 40 km · Minamiminowa 42 km · Kinoshita 45 km · Tatsuno 54 km · Mizunami 54 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 Iida (35.5196°, 137.8207°, elevation 517 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).