July
Other strong months: August and June
73/100 weather score
Finland · 1991–2020
Best time to visit
Vaasa
For Vaasa, July has the most comfortable weather in our climate comparison. Typical daytime highs are 18.7°C, nights average 13.4°C, and rainfall totals about 55 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJuly
Typical daytime high18.7°C
Typical night-time low13.4°C
July rainfall55 mm
July
Other strong months: August and June
40/100 weather score
July
Other strong months: August and June
81/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
2 months fit your choices for Vaasa
The lowest comfort score is 5 out of 100. January, February, March, April, November and December share that score. In January, that is mainly because days reach only -1.3°C, 25° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Vaasa?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Vaasa?
July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 18.7°C and 55 mm of rain.
What is the hottest month in Vaasa?
July is hottest in this record, with a typical daytime high of 18.7°C and a night-time low of 13.4°C.
Which month has the least rain?
April has the lowest monthly rainfall total at 24 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | -1.3°C | -5.4°C | 38 mm | 9.4 | 0.9°C | 5 h 42 | 5 | Good coverage |
| February | -2.4°C | -6.9°C | 29 mm | 7.3 | 0.0°C | 8 h 34 | 5 | Good coverage |
| March | 0.3°C | -4.4°C | 30 mm | 7.3 | 0.0°C | 11 h 29 | 5 | Good coverage |
| April | 4.2°C | -0.4°C | 24 mm | 5.6 | 1.3°C | 14 h 47 | 5 | Good coverage |
| May | 9.7°C | 4.1°C | 31 mm | 5.7 | 4.8°C | 17 h 57 | 31 | Good coverage |
| June | 14.7°C | 9.1°C | 43 mm | 6.2 | 9.6°C | 20 h 16 | 55 | Good coverage |
| July | 18.7°C | 13.4°C | 55 mm | 7.3 | 14.7°C | 19 h 15 | 73 | Good coverage |
| August | 18.2°C | 13.5°C | 53 mm | 7.4 | 16.0°C | 16 h 10 | 72 | Good coverage |
| September | 13.6°C | 9.4°C | 47 mm | 7.3 | 12.8°C | 12 h 51 | 50 | Good coverage |
| October | 7.6°C | 4.4°C | 56 mm | 10.3 | 8.5°C | 9 h 42 | 17 | Good coverage |
| November | 3.5°C | 0.5°C | 54 mm | 10.4 | 5.3°C | 6 h 37 | 5 | Good coverage |
| December | 1°C | -2.5°C | 47 mm | 9.8 | 2.7°C | 4 h 44 | 5 | Good coverage |
What has changed
Recent daytime highs are
2.4°C warmer in Vaasa.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+2.2
Feb
+3.3
Mar
+3.2
Apr
+2.3
May
+2.8
Jun
+2.0
Jul
+2.6
Aug
+2.5
Sep
+2.4
Oct
+1.1
Nov
+1.9
Dec
+2.6
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 8.1°C18 Jan 2025 | -27.8°C20 Jan 1986 | 19 mm16 Jan 1999 | 75 mm1990 · driest 4 mm in 1964 | 64 |
| February | 7.0°C14 Feb 2019 | -28.7°C3 Feb 1966 | 17 mm2 Feb 1985 | 62 mm1999 · driest 1 mm in 1994 | 66 |
| March | 11.3°C29 Mar 2016 | -28.2°C14 Mar 1966 | 20 mm23 Mar 1986 | 56 mm2008 · driest 1 mm in 1964 | 67 |
| April | 16.6°C27 Apr 2002 | -18.7°C4 Apr 1970 | 24 mm4 Apr 2000 | 65 mm2000 · driest 1 mm in 1961 | 68 |
| May | 22.6°C25 May 2022 | -5.0°C7 May 1966 | 24 mm2 May 1991 | 73 mm1982 · driest 4 mm in 1994 | 68 |
| June | 26.6°C28 Jun 2024 | 1.5°C7 Jun 1985 | 38 mm25 Jun 1981 | 99 mm1981 · driest 0 mm in 1982 | 68 |
| July | 31.4°C23 Jul 2014 | 6.4°C16 Jul 1977 | 60 mm21 Jul 2008 | 134 mm2008 · driest 2 mm in 1994 | 66 |
| August | 31.3°C4 Aug 2014 | 4.8°C28 Aug 1959 | 52 mm6 Aug 1967 | 143 mm1960 · driest 13 mm in 1994 | 67 |
| September | 24.5°C1 Sep 2019 | 0.5°C27 Sep 1966 | 44 mm4 Sep 1992 | 116 mm1963 · driest 11 mm in 2008 | 67 |
| October | 15.5°C4 Oct 2020 | -8.0°C24 Oct 1992 | 26 mm11 Oct 1999 | 110 mm1980 · driest 13 mm in 2005 | 67 |
| November | 11.9°C2 Nov 2020 | -15.6°C29 Nov 2002 | 24 mm29 Nov 1999 | 105 mm1996 · driest 10 mm in 1993 | 67 |
| December | 7.0°C7 Dec 2000 | -25.9°C30 Dec 1978 | 24 mm19 Dec 1993 | 90 mm1993 · driest 11 mm in 2002 | 66 |
| Month | Days 25°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|
| January | 0 | 27 | <1 |
| February | 0 | 24 | <1 |
| March | 0 | 26 | <1 |
| April | 0 | 16 | <1 |
| May | 0 | 1 | <1 |
| June | <1 | 0 | 1 |
| July | <1 | 0 | 2 |
| August | <1 | 0 | 2 |
| September | 0 | 0 | 1 |
| October | 0 | 3 | 1 |
| November | 0 | 13 | 1 |
| December | 0 | 20 | 1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 30% | 1% | 39% | -6.6–0.4°C |
| February | 0% | 23% | <1% | 24% | -7.8–0.8°C |
| March | 0% | 22% | 1% | 23% | -4.2–2.3°C |
| April | 0% | 19% | <1% | 18% | 1.4–5.8°C |
| May | <1% | 19% | 2% | 18% | 6.5–11.2°C |
| June | 4% | 20% | 3% | 19% | 12.3–16.8°C |
| July | 16% | 23% | 5% | 28% | 16.1–20.5°C |
| August | 12% | 25% | 5% | 31% | 15.1–19.7°C |
| September | <1% | 30% | 4% | 40% | 11.0–15.1°C |
| October | 0% | 33% | 3% | 41% | 5.4–9.3°C |
| November | 0% | 35% | 3% | 46% | 0.7–5.3°C |
| December | 0% | 31% | 2% | 38% | -3.8–3.0°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 632978
- NOAA station
- FIE00144222 · MUSTASAARI VALASSAARET
- Station distance
- 46.6 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 18 usable years
- Daylight
- Calculated from latitude 63.10°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 13 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Vaasa is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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