Merced weather in April

In April, Merced sees average daytime highs of 75°F and overnight lows near 52°F, with 1.2 in of rain across 4.7 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 71°F in the first days to 79°F by the end. The sky is clear or mostly clear about 52% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Merced's 8th-clearest and 4th-windiest month. For the whole year in context, see Merced's year-round climate.

Daytime high
75°
7th warmest
Overnight low
52°
6th coldest
Rainfall
1.2 in
4.7 wet days
Daylight
13 hours
5:33 AM – 6:31 PM
Cloud cover
42%
8th clearest
Wind
6 mph
4th windiest
Solar energy
6.47 kWh/m²
Travel score
7.9
out of 10

Merced is city in and county seat of Merced County, California, United States.

Density
1,365/km²
people per km²
Founded
1889

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 71°F in the first days to 79°F by the end.

A typical April day in Merced reaches about 75°F in the afternoon and slips back to 52°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 64°F and 86°F. Set against its neighbours, April runs about 7°F warmer than March and about 9°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17149
27149
37149
47149
57250
67250
77250
87250
97250
107350
117350
127351
137451
147451
157451
167551
177552
187552
197652
207652
217753
227753
237753
247853
257854
267854
277954
287955
298055
308055

How April really feels in Merced

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
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.

Merced weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 42°3.58.19.74.7
Feb63° / 44°3.18.410.65.7
Mar68° / 48°2.87.711.76.8
Apr75° / 52°1.24.712.97.9
May83° / 58°0.72.8147.1
Jun92° / 64°0.10.614.54.6
Jul97° / 68°0.00.214.32.8
Aug95° / 67°0.00.113.43.3
Sep90° / 63°0.10.412.35.4
Oct79° / 55°0.82.3118.3
Nov67° / 46°1.54.8107.1
Dec58° / 41°3.07.49.54.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% 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 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26337
36337
46238
56238
66238
76238
86337
96337
106337
116337
126436
136436
146436
156436
166535
176634
186634
196733
206733
216733
226733
236733
246832
256832
266832
276931
286931
296931
307030

Chance of precipitation in April

Any precipitation

Merced gets around 1.2 in of rain over 4.7 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 16% and peaks near 21% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
121
221
320
420
520
619
719
819
919
1019
1118
1218
1318
1417
1517
1616
1716
1815
1915
2014
2114
2213
2313
2412
2512
2612
2712
2811
2911
3011

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20973
21973
22973
23973
24964
25964
26964
27964
28964
29964
30964

Wind in April

Winds average 6 mph in April.

Across April, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:56 AM to 5:15 AM, and sunset from 6:17 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:566:17
212.45:546:18
312.45:536:19
412.55:516:20
512.55:506:21
612.65:486:22
712.65:476:23
812.65:456:24
912.75:446:25
1012.75:426:25
1112.85:416:26
1212.85:396:27
1312.85:386:28
1412.95:366:29
1512.95:356:30
1613.05:336:31
1713.05:326:32
1813.05:316:33
1913.15:296:34
2013.15:286:35
2113.15:266:35
2213.25:256:36
2313.25:246:37
2413.35:226:38
2513.35:216:39
2613.35:206:40
2713.45:196:41
2813.45:176:42
2913.45:166:43
3013.55:156:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.47 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 8.29 kWh/m² in June across the year — April's 6.47 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
46.0Bright
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.6Intense
196.6Intense
206.7Intense
216.7Intense
226.7Intense
236.8Intense
246.8Intense
256.9Intense
266.9Intense
277.0Intense
287.0Intense
297.1Intense
307.1Intense
Planning a trip in April

Is April a good time to visit Merced?

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

7.9
Sightseeing
2nd-best month of the year
6.4
Beach & pool
7th-best month of the year

April is one of the better times to visit Merced for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Merced in April

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

In April, Merced sees daytime highs around 75°F and nights near 52°F. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

UV index in Merced in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Merced peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 20UV 10Dec 17UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Moderate

Air quality in Merced 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 Merced is worst in August — around 29 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1928 µg/m³Jun 118 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar14Moderate
Apr11Good
May9Good
Jun8Good
Jul15Moderate
Aug29Moderate
Sep22Moderate
Oct17Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Merced?

Merced sits at 37.3°N, 120.5°W, 171 ft above sea level, in United States. The nearest listed city is Atwater, 7.5 mi away.

Topography around Merced

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Merced.

Within 2 miles, the terrain around Merced has only modest variations in elevation — a maximum elevation change of 62 ft around an average of 171 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 459 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,028 ft.

The land around Merced is covered by artificial surfaces (59%) and trees (21%) within 2 miles, grassland (38%), cropland (29%) and trees (23%) within 10 miles, and grassland (45%) and trees (31%) within 50 miles.

2 miles
62 ft
10 miles
459 ft
50 miles
7,028 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Atwater 7.5 mi · Chowchilla 17 mi · Turlock 24 mi · Los Banos 26 mi · Ceres 33 mi · Madera 33 mi · Modesto 37 mi · Patterson 37 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Merced (37.3022°, -120.483°, elevation 171 ft), 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).