Märsta weather in October

In October, Märsta sees average daytime highs of 10°C and overnight lows near 4°C, with 48 mm of precipitation across 9.4 wet days and about 9.8 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 7°C by the end. The sky is clear or mostly clear about 19% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of October to 8 h 30 min by month's end. Set against the rest of the year, October is Märsta's 8th-clearest and 6th-windiest month. For the whole year in context, see Märsta's year-round climate.

Daytime high
10°
7th warmest
Overnight low
7th coldest
Precipitation
48 mm
9.4 wet days
Daylight
9 h 48 min
6:40 AM – 4:27 PM
Cloud cover
71%
8th clearest
Wind
12 km/h
6th windiest
Solar energy
1.18 kWh/m²
Travel score
2.1
out of 10

Märsta is urban area in Sigtuna Municipality, Sweden.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 7°C by the end.

A typical October day in Märsta reaches about 10°C in the afternoon and slips back to 4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 14°C. Set against its neighbours, October runs about 6°C cooler than September and about 5°C warmer than November.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1136
2135
3135
4125
5125
6125
7125
8115
9114
10114
11114
12104
13104
14104
15104
16103
1793
1893
1993
2093
2193
2283
2383
2482
2582
2682
2782
2872
2972
3072
3172

How October really feels in Märsta

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 14 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
14
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Märsta weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°3485.66.50.0
Feb / -5°287.66.18.70.0
Mar / -3°297.44.611.30.2
Apr10° / 338.11.614.12.5
May16° / 459.40.216.75.1
Jun20° / 10°6710.8018.26.0
Jul22° / 12°7011.5017.66.4
Aug21° / 11°6912.1015.36.1
Sep16° / 508.5012.65.0
Oct10° / 489.40.29.82.1
Nov / 449.72.97.30.1
Dec / -3°42105.65.80.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33565
43565
53565
63466
73367
83367
93268
103268
113367
123268
133169
143169
153169
163169
173169
183070
193070
203070
213070
222971
232971
242872
252872
262872
272872
282773
292773
302773
312773

Chance of precipitation in October

Any precipitationSnow

Märsta gets around 48 mm of rain and snow over 9.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 29% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1300
2300
3300
4300
5300
6300
7300
8290
9290
10280
11280
12280
13270
14270
15270
16270
17270
18280
19281
20291
21291
22301
23301
24311
25312
26312
27322
28323
29323
30323
31324

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 12 min at the start of October to 8 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 162 minutes over October. Sunrise moves from 6:03 AM to 7:18 AM, and sunset from 5:12 PM to 3:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:035:12
211.16:055:09
311.06:085:06
410.96:105:03
510.86:135:00
610.76:154:57
710.66:184:54
810.56:204:51
910.46:234:48
1010.36:254:45
1110.26:284:42
1210.16:304:39
1310.16:324:36
1410.06:354:33
159.96:374:30
169.86:404:27
179.76:424:24
189.66:454:21
199.56:484:19
209.46:504:16
219.36:534:13
229.36:554:10
239.26:584:07
249.17:004:05
259.07:034:02
268.97:053:59
278.87:083:57
288.77:103:54
298.67:133:51
308.67:163:49
318.57:183:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.18 kWh/m².

For context, solar energy here swings from a low near 0.2 kWh/m² to a high of 5.57 kWh/m² in June across the year — October's 1.18 kWh/m² falls in the middle.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.7Dim
41.7Dim
51.6Dim
61.6Dim
71.5Dim
81.5Dim
91.4Dim
101.4Dim
111.4Dim
121.3Dim
131.3Dim
141.2Dim
151.2Dim
161.2Dim
171.1Dim
181.1Dim
191.1Dim
201.0Dim
211.0Dim
221.0Dim
230.9Dim
240.9Dim
250.9Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.7Dim
310.7Dim
Planning a trip in October

Is October a good time to visit Märsta?

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

2.1
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Märsta.

What to pack for Märsta in October

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

In October, Märsta sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Märsta in October

The nearest coast averages about 10°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 57 km away) is warmest in August at about 17°C and coldest in February near 1°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar2Bracing
Apr3Bracing
May6Bracing
Jun11Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec4Bracing

UV index in Märsta in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Märsta peaks around June 17 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateModerateLowJun 17UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Märsta?

Märsta sits at 59.6°N, 17.9°E, 19 m above sea level, in Sweden. The nearest listed city is Upplands Väsby, 12 km away.

Topography around Märsta

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

Within 3 km, the terrain around Märsta has only modest variations in elevation — a maximum elevation change of 66 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 74 m; within 80 km, only modest variations in elevation — a maximum elevation change of 146 m.

The land around Märsta is covered by trees (38%) and grassland (28%) within 3 km, trees (52%) within 16 km, and trees (54%) and water (24%) within 80 km.

3 km
66 m
16 km
74 m
80 km
146 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Upplands Väsby 12 km · Vallentuna 16 km · Jakobsberg 22 km · Sollentuna 22 km · Täby 23 km · Tensta 25 km · Danderyd 26 km · Rinkeby 26 km

Sweden travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 87% of US
price level, 2025
GDP per capita
$63,133
2025
Happiness
7.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 609
Religion
Church of Sweden 54%none or unspecified 37%other 9%

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 Märsta (59.6216°, 17.8548°, elevation 19 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).