Jamestown weather in July

In July, Jamestown sees average daytime highs of 79°F and overnight lows near 59°F, with 3.6 in of rain across 9.7 wet days and about 15.3 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 79°F through the month. The sky is clear or mostly clear about 45% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 48 min by month's end. Set against the rest of the year, July is Jamestown's 2nd-clearest and 12th-windiest month. For the whole year in context, see Jamestown's year-round climate.

Daytime high
79°
1st warmest
Overnight low
59°
12th coldest
Rainfall
3.6 in
9.7 wet days
Daylight
15 h 18 min
5:01 AM – 8:20 PM
Cloud cover
46%
2nd clearest
Wind
8 mph
12th windiest
Solar energy
6.46 kWh/m²
Travel score
7.0
out of 10

Jamestown is seat of Stutsman County, North Dakota, United States.

Density
462/km²
people per km²
Founded
1872

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 79°F through the month.

A typical July day in Jamestown reaches about 79°F in the afternoon and slips back to 59°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 87°F. Set against its neighbours, July runs about 5°F warmer than June and on par with August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
17758
27758
37758
47859
57859
67859
77859
87859
97859
107859
117959
127960
137960
147960
157960
167960
177960
187960
197960
207960
217959
227959
237959
247959
257959
267959
277959
287959
297958
307958
317958

How July really feels in Jamestown

Once humidity and wind are folded in, July 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

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

Jamestown weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan18° / 0.74.75.28.80.0
Feb22° / 0.74.84.9100.0
Mar34° / 18°1.25.84.111.60.0
Apr51° / 31°1.87.82.713.32.6
May65° / 44°3.210.80.414.85.7
Jun74° / 55°4.511.6015.66.5
Jul79° / 59°3.69.7015.37.0
Aug78° / 56°2.98.50147.3
Sep69° / 47°2.57.4012.46.9
Oct54° / 35°2.16.91.310.63.5
Nov37° / 20°1.04.94.19.20.1
Dec23° / 0.95.15.48.40.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
26040
36139
46238
56337
66337
76535
86535
96535
106634
116634
126733
136832
146832
156832
166832
176931
186931
196931
206931
217030
226931
237030
247030
256931
267030
276931
286931
296931
306832
316832

Chance of precipitation in July

Any precipitation

Jamestown gets around 3.6 in of rain over 9.7 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 31% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
335
435
534
634
734
833
933
1033
1132
1232
1332
1432
1532
1632
1731
1831
1931
2031
2130
2230
2330
2429
2528
2628
2727
2827
2927
3026
3126

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1323023141
2313024151
3293025151
4283025151
5273026162
6262927162
7252928162
8242928172
9232929172
10222929172
11212929182
12212929183
13202930183
14202930183
15202930183
16192930183
17192930183
18193029183
19193130173
20203129173
21203228173
22203228163
23213327163
24223327153
25233327143
26233326143
27243326133
28253326133
29263326122
30273426122
31273425122

Wind in July

Winds average 8 mph in July, the calmest month.

Across July, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 36 min at the start of July to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:49 AM to 5:17 AM, and sunset from 8:27 PM to 8:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:498:27
215.64:508:27
315.64:508:27
415.64:518:27
515.64:528:26
615.64:528:26
715.54:538:26
815.54:548:25
915.54:548:25
1015.54:558:24
1115.54:568:24
1215.44:578:23
1315.44:588:22
1415.44:598:22
1515.45:008:21
1615.35:018:20
1715.35:028:20
1815.35:038:19
1915.25:048:18
2015.25:058:17
2115.25:068:16
2215.15:078:15
2315.15:088:14
2415.15:098:13
2515.05:108:12
2615.05:118:11
2715.05:128:10
2814.95:148:08
2914.95:158:07
3014.85:168:06
3114.85:178:05

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.46 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 6.46 kWh/m² in July across the year — July's 6.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.2Intense
Planning a trip in July

Hazard calendar for Jamestown

In seasonPeak

In July, Jamestown sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

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

Is July a good time to visit Jamestown?

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

7.0
Sightseeing
2nd-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Jamestown in July

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

In July, Jamestown sees daytime highs around 79°F and nights near 59°F. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.

sun protectionlight clothesrain gear

UV index in Jamestown in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jamestown peaks around June 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 19UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun9Very high
Jul8Very high
Aug7High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Jamestown 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 Jamestown is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (October, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1215 µg/m³Oct 205 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Moderate
Apr11Good
May10Good
Jun9Good
Jul14Moderate
Aug15Moderate
Sep10Good
Oct5Good
Nov7Good
Dec8Good
Location & terrain

Where is Jamestown?

Jamestown sits at 46.9°N, 98.7°W, 1,407 ft above sea level, in United States. The nearest listed city is West Fargo, 85 mi away.

Topography around Jamestown

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

Within 2 miles, the terrain around Jamestown has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 1,457 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 259 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,135 ft.

The land around Jamestown is covered by grassland (39%) and artificial surfaces (28%) within 2 miles, cropland (66%) and grassland (27%) within 10 miles, and cropland (64%) and grassland (30%) within 50 miles.

2 miles
141 ft
10 miles
259 ft
50 miles
1,135 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: West Fargo 85 mi · Fargo 91 mi · Moorhead 91 mi · Bismarck 98 mi · Aberdeen 101 mi · Mandan 103 mi · Grand Forks 105 mi · Minot 151 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 Jamestown (46.9105°, -98.7084°, elevation 1,407 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).