Nyköping weather in August

In August, Nyköping sees average daytime highs of 20°C and overnight lows near 14°C, with 68 mm of rain across 11.6 wet days and about 15.2 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 24 min at the start of August to 13 h 54 min by month's end. Set against the rest of the year, August is Nyköping's 5th-clearest and 10th-windiest month. For the whole year in context, see Nyköping's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
68 mm
11.6 wet days
Daylight
15 h 12 min
4:20 AM – 7:32 PM
Cloud cover
63%
5th clearest
Wind
14 km/h
10th windiest
Solar energy
4.31 kWh/m²
Travel score
6.0
out of 10

Nyköping is urban area in Nyköping Municipality, Sweden.

Founded
1187

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 18°C by the end.

A typical August day in Nyköping reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42115
52115
62115
72115
82115
92114
102014
112014
122014
132014
142014
152014
162014
172014
182014
192014
201914
211913
221913
231913
241913
251913
261913
271813
281813
291813
301812
311812

How August really feels in Nyköping

Once humidity and wind are folded in, August 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

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

Nyköping weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°429.266.70.0
Feb / -3°348.56.68.80.0
Mar / -1°327.64.311.40.0
Apr / 347.31.3141.4
May13° / 449.40.216.53.7
Jun17° / 11°6010.6017.95.4
Jul20° / 14°7011017.36.2
Aug20° / 14°6811.6015.26.0
Sep15° / 10°589.3012.64.7
Oct10° / 5810.50.29.92.1
Nov / 5711.32.67.40.2
Dec / -1°5211.45.26.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34654
44654
54654
64654
74654
84555
94555
104555
114555
124456
134456
144456
154357
164357
174357
184357
194357
204258
214258
224258
234258
244258
254159
264159
274159
284159
294159
304159
314159

Chance of precipitation in August

Any precipitation

Nyköping gets around 68 mm of rain over 11.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1237
1337
1437
1537
1637
1738
1838
1938
2038
2139
2239
2339
2439
2539
2639
2739
2839
2939
3039
3138

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13345184
23345174
33445174
43445174
53545164
63645164
73744154
83844153
93944153
104043143
114143143
124243142
134242132
144342132
154442132
164541121
174641121
184740111
194840111
205039111
215038111
225237101
235436100
24563590
25573490
26593380
27613180
28633070
29642970
30662860
31692650

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 24 min at the start of August to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 150 minutes over August. Sunrise moves from 3:47 AM to 4:54 AM, and sunset from 8:10 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.43:478:10
216.33:498:07
316.23:518:05
416.23:538:03
516.13:558:00
616.03:577:58
715.94:007:55
815.84:027:53
915.84:047:50
1015.74:067:48
1115.64:097:45
1215.54:117:43
1315.44:137:40
1415.44:167:37
1515.34:187:35
1615.24:207:32
1715.14:227:29
1815.04:257:27
1914.94:277:24
2014.94:297:21
2114.84:327:18
2214.74:347:15
2314.64:367:13
2414.54:387:10
2514.44:417:07
2614.44:437:04
2714.34:457:01
2814.24:486:58
2914.14:506:55
3014.04:526:52
3113.94:546:50

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.31 kWh/m².

For context, solar energy here swings from a low near 0.23 kWh/m² to a high of 5.85 kWh/m² in June across the year — August's 4.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.0Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Nyköping?

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

6.0
Sightseeing
2nd-best month of the year
2.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Nyköping for sightseeing.

What to pack for Nyköping in August

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

In August, Nyköping sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Nyköping in August

The nearest coast averages about 17°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 17°C and coldest in February near 2°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
Feb2Bracing
Mar2Bracing
Apr4Bracing
May7Bracing
Jun13Bracing
Jul17Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec5Bracing

UV index in Nyköping in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nyköping peaks around June 16 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 16UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul4Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Nyköping?

Nyköping sits at 58.8°N, 17.0°E, 20 m above sea level, in Sweden. The nearest listed city is Norrköping, 51 km away.

Topography around Nyköping

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

Within 3 km, the terrain around Nyköping has only modest variations in elevation — a maximum elevation change of 62 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 92 m; within 80 km, only modest variations in elevation — a maximum elevation change of 191 m.

The land around Nyköping is covered by trees (36%), artificial surfaces (22%) and grassland (21%) within 3 km, trees (52%) within 16 km, and trees (46%) and water (37%) within 80 km.

3 km
62 m
16 km
92 m
80 km
191 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Norrköping 51 km · Katrineholm 53 km · Södertälje 61 km · Tumba 68 km · Tullinge 71 km · Eskilstuna 74 km · Ekerö 75 km · Huddinge 78 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 Nyköping (58.753°, 17.0079°, elevation 20 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).