Merced weather in July

In July, Merced sees average daytime highs of 97°F and overnight lows near 68°F, with 0.0 in of rain across 0.2 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 97°F through the month. The sky is clear or mostly clear about 89% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Merced's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Merced's year-round climate.

Daytime high
97°
1st warmest
Overnight low
68°
12th coldest
Rainfall
0.0 in
0.2 wet days
Daylight
14 h 18 min
4:58 AM – 7:18 PM
Cloud cover
11%
2nd clearest
Wind
6 mph
3rd windiest
Solar energy
8.23 kWh/m²
Travel score
2.8
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.

← JuneMerced year-round climateAugust →Best places to visit in July
JanFebMarAprMayJunJulAugSepOctNovDec

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 97°F through the month.

A typical July day in Merced reaches about 97°F in the afternoon and slips back to 68°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 90°F and 104°F. Set against its neighbours, July runs about 5°F warmer than June and about 1°F warmer than August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19667
29667
39667
49667
59667
69667
79667
89768
99768
109768
119768
129768
139768
149768
159768
169768
179769
189769
199769
209769
219769
229769
239769
249769
259769
269769
279769
289769
299769
309769
319768

How July really feels in Merced

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Merced weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 11th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 5% of July, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2937
3946
4946
5946
6946
7955
8955
9955
10955
11955
12955
13955
14955
15955
16946
17946
18946
19955
20946
21946
22946
23946
24946
25946
26946
27937
28937
29937
30946
31946

Chance of precipitation in July

Any precipitation

Merced gets around 0.0 in of rain over 0.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
187121
286131
386131
486131
586131
686131
784142
884142
984142
1083152
1183152
1283152
1383152
1483152
1582162
1682162
1781172
1881172
1980173
2079183
2179183
2279183
2379183
2479183
2579183
2678184
2778184
2878184
2978184
3078184
3178184

Wind in July

Winds average 6 mph in July.

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

0246810151015202531
Wind speed (mph)Feels
16calm
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
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 4:49 AM to 5:09 AM, and sunset from 7:21 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:497:21
214.54:507:21
314.54:507:21
414.54:507:21
514.54:517:21
614.54:517:21
714.54:527:21
814.54:537:20
914.54:537:20
1014.44:547:20
1114.44:547:20
1214.44:557:19
1314.44:567:19
1414.44:567:18
1514.44:577:18
1614.34:587:18
1714.34:587:17
1814.34:597:17
1914.35:007:16
2014.35:007:15
2114.25:017:15
2214.25:027:14
2314.25:037:13
2414.25:037:13
2514.15:047:12
2614.15:057:11
2714.15:067:10
2814.15:077:10
2914.05:077:09
3014.05:087:08
3114.05:097:07

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 8.23 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 — July's 8.23 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.4Intense
28.4Intense
38.4Intense
48.4Intense
58.4Intense
68.3Intense
78.3Intense
88.3Intense
98.3Intense
108.3Intense
118.3Intense
128.3Intense
138.3Intense
148.3Intense
158.2Intense
168.2Intense
178.2Intense
188.2Intense
198.2Intense
208.2Intense
218.1Intense
228.1Intense
238.1Intense
248.1Intense
258.1Intense
268.1Intense
278.0Intense
288.0Intense
298.0Intense
308.0Intense
318.0Intense
Planning a trip in July

Is July a good time to visit Merced?

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

2.8
Sightseeing
12th-best month of the year
6.5
Beach & pool
6th-best month of the year

July is a weaker month for outdoor sightseeing in Merced. The water and warmth also suit a beach or pool day.

What to pack for Merced in July

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

In July, Merced sees daytime highs around 97°F and nights near 68°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Merced in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
← JuneMerced year-round climateAugust →Best places to visit in July
July 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).