Uwa weather in April

In April, Uwa sees average daytime highs of 19°C and overnight lows near 11°C, with 129 mm of rain across 10.4 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 21°C by the end. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Uwa's 5th-clearest and 5th-windiest month. For the whole year in context, see Uwa's year-round climate.

Daytime high
19°
7th warmest
Overnight low
11°
6th coldest
Rainfall
129 mm
10.4 wet days
Daylight
12 h 48 min
5:45 AM – 6:35 PM
Cloud cover
57%
5th clearest
Wind
12 km/h
5th windiest
Solar energy
5.25 kWh/m²
Travel score
6.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 21°C by the end.

A typical April day in Uwa reaches about 19°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1179
2179
3179
4189
51810
61810
71810
81810
91810
101910
111911
121911
131911
141911
151911
162011
172011
182012
192012
202012
212012
222012
232112
242113
252113
262113
272113
282113
292113
302213

How April really feels in Uwa

Once humidity and wind are folded in, April averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Uwa weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 608.61.1102.5
Feb11° / 748.90.810.82.9
Mar15° / 11211.10.111.74.4
Apr19° / 11°12910.4012.86.1
May24° / 16°15010.4013.76.7
Jun26° / 20°27315.4014.25.5
Jul30° / 24°20113.80144.5
Aug31° / 24°13712.8013.24.0
Sep28° / 21°17812.7012.25.5
Oct23° / 16°1418.7011.27.2
Nov18° / 10°837.9010.36.2
Dec13° / 748.80.39.83.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55149
65149
75149
85149
95050
104951
114951
124852
134951
144852
154753
164753
174753
184852
194852
204852
214852
224951
234951
244951
254951
264951
274951
284951
294951
304951

Chance of precipitation in April

Any precipitation

Uwa gets around 129 mm of rain over 10.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
534
634
734
834
935
1035
1135
1236
1336
1436
1537
1637
1737
1837
1936
2036
2136
2235
2335
2434
2534
2633
2733
2832
2932
3032

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
187931
2861031
3861031
4841141
5841141
6841141
7831241
8831241
9821251
10811351
11811351
12801451
13801451
14791551
15791551
16771652
17761662
18751762
19741862
20741862
21731962
22712072
23702172
24672283
25672283
26652393
276423103
286124114
296124114
306024124

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 6:05 AM to 5:29 AM, and sunset from 6:24 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:056:24
212.36:046:25
312.46:036:25
412.46:016:26
512.46:006:27
612.55:596:28
712.55:576:28
812.65:566:29
912.65:546:30
1012.65:536:31
1112.75:526:31
1212.75:516:32
1312.75:496:33
1412.85:486:33
1512.85:476:34
1612.85:456:35
1712.95:446:36
1812.95:436:36
1912.95:426:37
2013.05:406:38
2113.05:396:39
2213.05:386:40
2313.15:376:40
2413.15:366:41
2513.15:346:42
2613.25:336:43
2713.25:326:43
2813.25:316:44
2913.25:306:45
3013.35:296:46

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.25 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 5.46 kWh/m² in May across the year — April's 5.25 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Uwa

In seasonPeak

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

Uwa 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 April a good time to visit Uwa?

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

6.1
Sightseeing
4th-best month of the year
2.9
Beach & pool
7th-best month of the year

April is a reasonable time to visit Uwa for sightseeing.

What to pack for Uwa in April

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

In April, Uwa sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Uwa in April

The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 3 to Nov 25 — about 5.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Uwa in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uwa peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 22UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Uwa in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Uwa is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1420 µg/m³Oct 1410 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Uwa?

Uwa sits at 33.4°N, 132.5°E, 215 m above sea level, in Japan. The nearest listed city is Yawatahama, 13 km away.

Topography around Uwa

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

Within 3 km, the terrain around Uwa has significant variations in elevation — a maximum elevation change of 390 m around an average of 296 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 902 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,895 m.

The land around Uwa is covered by trees (69%) within 3 km, trees (70%) and water (23%) within 16 km, and water (54%) and trees (43%) within 80 km.

3 km
390 m
16 km
902 m
80 km
1,895 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Yawatahama 13 km · Ōzu 15 km · Uwajima 16 km · Uchiko 24 km · Mishōhirajō 45 km · Iyo 46 km · Masaki-chō 51 km · Haramachi 52 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 Uwa (33.3645°, 132.5127°, elevation 215 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).