Sastamala weather in July

In July, Sastamala sees average daytime highs of 21°C and overnight lows near 12°C, with 82 mm of rain across 13.1 wet days and about 18.1 hours of daylight. It is the 1st-warmest and 1st-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 21% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 54 min at the start of July to 17 hours by month's end. Set against the rest of the year, July is Sastamala's 2nd-clearest and 12th-windiest month. For the whole year in context, see Sastamala's year-round climate.

Daytime high
21°
1st warmest
Overnight low
12°
12th coldest
Rainfall
82 mm
13.1 wet days
Daylight
18 h 12 min
3:29 AM – 9:39 PM
Cloud cover
64%
2nd clearest
Wind
10 km/h
12th windiest
Solar energy
5.04 kWh/m²
Travel score
6.0
out of 10

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 Sastamala 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 16°C and 27°C. Set against its neighbours, July runs about 3°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
52112
62112
72112
82112
92112
102112
112112
122112
132112
142112
152112
162112
172112
182212
192212
202212
212212
222213
232213
242213
252213
262213
272213
282213
292213
302212
312212

How July really feels in Sastamala

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.

Sastamala 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-3° / -7°409.69.160.0
Feb-3° / -8°327.67.68.40.0
Mar / -6°338.47.211.30.0
Apr / -0°348.52.714.31.7
May15° / 46100.217.14.5
Jun19° / 7711.9018.85.6
Jul21° / 12°8213.1018.16.0
Aug20° / 11°7212.2015.65.8
Sep14° / 5310012.64.1
Oct / 5810.31.29.61.1
Nov / -1°4910.356.80.0
Dec-1° / -5°4810.87.85.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33763
43862
53862
63961
73961
83961
93961
103961
114060
124060
133961
143961
153961
163961
174060
184060
194060
204060
213961
224060
234060
243961
254060
264060
273961
283961
294060
303961
313862

Chance of precipitation in July

Any precipitation

Sastamala gets around 82 mm of rain over 13.1 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
441
541
641
742
842
942
1042
1143
1243
1343
1443
1544
1644
1744
1843
1943
2043
2142
2242
2342
2441
2541
2641
2741
2840
2940
3040
3139

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1821431
2811531
3791641
4781741
5761941
6742051
7732151
8732250
9702460
10692560
11682660
12662770
13642871
14632971
15613081
16603181
17593281
18583381
19563491
20553492
21543592
225335102
235335102
245335102
255136112
265136112
275136112
285136112
295235112
305235112
315235112

Wind in July

Winds average 10 km/h in July, the calmest month.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
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 18 h 54 min at the start of July to 17 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over July. Sunrise moves from 3:05 AM to 4:04 AM, and sunset from 9:58 PM to 9:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.93:059:58
218.93:069:58
318.83:079:57
418.83:099:56
518.83:109:55
618.73:119:54
718.73:139:53
818.63:149:52
918.63:169:50
1018.53:189:49
1118.53:199:47
1218.43:219:46
1318.43:239:44
1418.33:259:43
1518.23:279:41
1618.23:299:39
1718.13:319:37
1818.03:339:35
1918.03:359:33
2017.93:379:31
2117.83:409:29
2217.83:429:27
2317.73:449:25
2417.63:479:22
2517.53:499:20
2617.43:519:18
2717.43:549:15
2817.33:569:13
2917.23:599:10
3017.14:019:08
3117.04:049:05

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.04 kWh/m².

For context, solar energy here swings from a low near 0.12 kWh/m² to a high of 5.37 kWh/m² in June across the year — July's 5.04 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Sastamala?

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
3.8
Beach & pool
1st-best month of the year

July is a reasonable time to visit Sastamala for sightseeing.

What to pack for Sastamala in July

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

In July, Sastamala 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

UV index in Sastamala in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Sastamala peaks around June 16 at about 5 (moderate) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 16UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar1Low
Apr2Moderate
May4Moderate
Jun5Moderate
Jul4Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Sastamala?

Sastamala sits at 61.3°N, 22.9°E, 65 m above sea level, in Finland. The nearest listed city is Vammala, 2.0 km away.

Topography around Sastamala

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

Within 3 km, the terrain around Sastamala has only modest variations in elevation — a maximum elevation change of 62 m around an average of 70 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, only modest variations in elevation — a maximum elevation change of 223 m.

The land around Sastamala is covered by trees (45%) and water (27%) within 3 km, trees (74%) within 16 km, and trees (71%) within 80 km.

3 km
62 m
16 km
145 m
80 km
223 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Vammala 2.0 km · Nokia 34 km · Pirkkala 40 km · Ylöjärvi 43 km · Lempäälä 45 km · Tampere 50 km · Pohjois-Hervanta 51 km · Hervanta 51 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 Sastamala (61.3494°, 22.9093°, elevation 65 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. 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).