Oulu weather in July

In July, Oulu sees average daytime highs of 20°C and overnight lows near 12°C, with 78 mm of rain across 12.2 wet days and about 19.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 24% of the time in July, and the air most often feels dry.

Daylight stretches from about 20 h 54 min at the start of July to 18 h 06 min by month's end. Set against the rest of the year, July is Oulu's 3rd-clearest and 12th-windiest month. For the whole year in context, see Oulu's year-round climate.

Daytime high
20°
1st warmest
Overnight low
12°
12th coldest
Rainfall
78 mm
12.2 wet days
Daylight
19 h 42 min
2:32 AM – 10:15 PM
Cloud cover
64%
3rd clearest
Wind
11 km/h
12th windiest
Solar energy
4.99 kWh/m²
Travel score
6.0
out of 10

Oulu is urban area in North Ostrobothnia region, Finland.

Air quality
Good
PM2.5 5.1 µg/m³ · 2019

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 20°C through the month.

A typical July day in Oulu reaches about 20°C in the afternoon and slips back to 12°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 26°C. Set against its neighbours, July runs about 3°C warmer than June and about 2°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11911
21911
31911
41911
51911
62011
72011
82012
92012
102012
112012
122012
132012
142012
152012
162112
172112
182112
192112
202112
212112
222112
232112
242112
252112
262112
272112
282112
292112
302112
312112

How July really feels in Oulu

Once humidity and wind are folded in, July 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

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

Oulu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -11°358.89.84.50.0
Feb-6° / -12°2988.67.70.0
Mar-1° / -8°307.78.111.20.0
Apr / -3°307.43.814.70.5
May12° / 48100.718.23.2
Jun17° / 5610020.85.4
Jul20° / 12°7812.2019.66.0
Aug18° / 10°7112016.35.5
Sep13° / 5610.4012.73.4
Oct / 5010.32.69.20.5
Nov / -4°4810.675.70.0
Dec-3° / -8°4410.89.83.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44060
54060
64060
74060
84060
93961
103961
113961
123961
133961
143961
153961
164060
174060
184060
194060
204060
214060
224060
234258
244159
254159
264159
274159
284159
294060
304060
313961

Chance of precipitation in July

Any precipitation

Oulu gets around 78 mm of rain over 12.2 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
440
540
640
740
841
941
1041
1141
1242
1342
1442
1542
1641
1741
1841
1941
2040
2140
2239
2339
2439
2538
2638
2738
2837
2937
3037
3137

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1811540
2801640
3791740
4781840
5761950
6742051
7732151
8712351
9702451
10692461
11682561
12662671
13662671
14642781
15632791
16622891
176028102
185929102
195829112
205729122
215729122
225729122
235530132
245530132
255530132
265630122
275630122
285630122
295531122
305631112
315631112

Wind in July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 20 h 54 min at the start of July to 18 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 168 minutes over July. Sunrise moves from 1:54 AM to 3:21 AM, and sunset from 10:49 PM to 9:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
120.91:5410:49
220.91:5610:47
320.81:5810:46
420.72:0010:44
520.72:0210:42
620.62:0410:40
720.52:0710:38
820.42:0910:36
920.42:1210:34
1020.32:1510:31
1120.22:1710:29
1220.12:2010:26
1320.02:2310:24
1419.92:2610:21
1519.82:2910:18
1619.72:3210:15
1719.62:3510:13
1819.52:3810:10
1919.42:4110:07
2019.32:4510:04
2119.22:4810:00
2219.12:519:57
2319.02:549:54
2418.92:589:51
2518.83:019:48
2618.73:049:44
2718.63:089:41
2818.43:119:38
2918.33:149:34
3018.23:189:31
3118.13:219:27

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.99 kWh/m².

For context, solar energy here swings from a low near 0.02 kWh/m² to a high of 5.52 kWh/m² in June across the year — July's 4.99 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in July

Is July a good time to visit Oulu?

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

6.0
Sightseeing
1st-best month of the year
3.2
Beach & pool
1st-best month of the year

July is a reasonable time to visit Oulu for sightseeing.

What to pack for Oulu in July

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

In July, Oulu sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Oulu in July

The nearest coast averages about 15°C in July — 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 16°C and coldest in February near -0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr0Bracing
May3Bracing
Jun10Bracing
Jul15Bracing
Aug16Cool
Sep12Bracing
Oct8Bracing
Nov4Bracing
Dec1Bracing

UV index in Oulu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oulu peaks around July 15 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 15UV 4Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr2Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug3Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Oulu?

Oulu sits at 65.0°N, 25.5°E, 15 m above sea level, in Finland. The nearest listed city is Haukipudas, 19 km away.

KemiTornioYlivieskaKajaaniRovaniemiLuleå

Topography around Oulu

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

Within 3 km, the terrain around Oulu has only modest variations in elevation — a maximum elevation change of 38 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, only modest variations in elevation — a maximum elevation change of 199 m.

The land around Oulu is covered by trees (40%) and artificial surfaces (38%) within 3 km, trees (52%) and water (28%) within 16 km, and trees (59%) and water (24%) within 80 km.

3 km
38 m
16 km
75 m
80 km
199 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Haukipudas 19 km · Raahe 59 km · Kemi 91 km · Tornio 111 km · Ylivieska 112 km · Kajaani 139 km · Rovaniemi 166 km · Luleå 167 km

Finland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$56,149
2025
Happiness
7.8 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 603
Religion
Lutheran 67%none 31%other 2%Greek Orthodox 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 Oulu (65.0124°, 25.4682°, elevation 15 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).