Lillestrøm weather in July

In July, Lillestrøm sees average daytime highs of 21°C and overnight lows near 12°C, with 94 mm of rain across 12.6 wet days and about 17.7 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 20% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 24 min at the start of July to 16 h 42 min by month's end. Set against the rest of the year, July is Lillestrøm's 2nd-clearest and 12th-windiest month. For the whole year in context, see Lillestrøm's year-round climate.

Daytime high
21°
1st warmest
Overnight low
12°
12th coldest
Rainfall
94 mm
12.6 wet days
Daylight
17 h 42 min
3:29 AM – 9:14 PM
Cloud cover
65%
2nd clearest
Wind
9 km/h
12th windiest
Solar energy
5.12 kWh/m²
Travel score
6.0
out of 10

Lillestrøm is town in Lillestrøm Municipality, Norway.

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 21°C through the month.

A typical July day in Lillestrøm reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, July runs about 2°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42111
52111
62112
72112
82112
92112
102112
112112
122112
132112
142112
152112
162112
172112
182112
192112
202112
212112
222112
232112
242112
252112
262112
272112
282112
292112
302112
312112

How July really feels in Lillestrøm

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.

Lillestrøm 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -6°6510.59.86.40.0
Feb-0° / -6°488.27.98.60.0
Mar / -4°4986.511.30.2
Apr10° / 539.12.914.12.2
May15° / 7411.60.816.74.4
Jun19° / 9111.9018.35.6
Jul21° / 12°9412.6017.76.0
Aug20° / 11°10413.6015.45.7
Sep15° / 8110.4012.64.4
Oct / 8411.41.39.81.6
Nov / -1°8411.65.67.20.0
Dec-0° / -5°6610.87.75.70.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
44060
54060
64060
74159
84159
94159
104159
114060
124060
134060
144060
154060
164060
174060
184159
194159
204159
214159
224258
234258
244258
254258
264357
274357
284357
294357
304456
314456

Chance of precipitation in July

Any precipitation

Lillestrøm gets around 94 mm of rain over 12.6 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 42% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
442
542
642
742
842
943
1043
1143
1243
1343
1443
1543
1643
1742
1842
1941
2041
2140
2240
2340
2440
2540
2640
2740
2841
2941
3041
3142

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
187121
287121
385132
485132
584142
684142
783152
883152
982153
1081163
1181163
1280173
1380173
1479183
1578193
1677203
1776213
1875223
1974233
2072253
2170264
2269274
2368284
2467294
2564315
2664315
2763325
2862335
2962335
3062335
3162335

Wind in July

Winds average 9 km/h in July, the calmest month.

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 18 h 24 min at the start of July to 16 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over July. Sunrise moves from 3:08 AM to 4:01 AM, and sunset from 9:30 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.43:089:30
218.33:099:30
318.33:109:29
418.33:119:28
518.33:129:28
618.23:139:27
718.23:159:26
818.13:169:25
918.13:189:23
1018.13:199:22
1118.03:219:21
1218.03:229:20
1317.93:249:18
1417.93:269:17
1517.83:279:15
1617.73:299:14
1717.73:319:12
1817.63:339:10
1917.63:359:08
2017.53:379:07
2117.43:399:05
2217.43:419:03
2317.33:439:01
2417.23:458:59
2517.23:478:57
2617.13:498:54
2717.03:528:52
2816.93:548:50
2916.93:568:48
3016.83:588:45
3116.74:018:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.12 kWh/m².

For context, solar energy here swings from a low near 0.19 kWh/m² to a high of 5.56 kWh/m² in June across the year — July's 5.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Lillestrøm?

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
3.6
Beach & pool
1st-best month of the year

July is a reasonable time to visit Lillestrøm for sightseeing.

What to pack for Lillestrøm in July

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

In July, Lillestrøm sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Lillestrøm in July

The nearest coast averages about 18°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 69 km away) is warmest in August at about 18°C and coldest in February near 3°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Lillestrøm 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 Lillestrøm peaks around June 23 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 23UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Lillestrøm?

Lillestrøm sits at 60.0°N, 11.0°E, 116 m above sea level, in Norway. The nearest listed city is Oslo, 18 km away.

Topography around Lillestrøm

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

Within 3 km, the terrain around Lillestrøm has only modest variations in elevation — a maximum elevation change of 214 m around an average of 135 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 444 m; within 80 km, large variations in elevation — a maximum elevation change of 1,025 m.

The land around Lillestrøm is covered by trees (36%), artificial surfaces (29%) and cropland (23%) within 3 km, trees (61%) within 16 km, and trees (75%) within 80 km.

3 km
214 m
16 km
444 m
80 km
1,025 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Oslo 18 km · Asker 37 km · Drammen 53 km · Moss 62 km · Horten 68 km · Sarpsborg 75 km · Fredrikstad 82 km · Kongsberg 84 km

Norway travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 91% of US
price level, 2025
GDP per capita
$94,594
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 613
Religion
Church of Norway 68%other Christian 4%Muslim 3%Roman Catholic 3%

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 Lillestrøm (59.956°, 11.0492°, elevation 116 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).