July
Other strong months: August and June
85/100 weather score
Finland · 1991–2020
Best time to visit
Sibbo
For Sibbo, July has the most comfortable weather in our climate comparison. Typical daytime highs are 23°C, nights average 13.3°C, and rainfall totals about 64 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJuly
Typical daytime high23°C
Typical night-time low13.3°C
July rainfall64 mm
July
Other strong months: August and June
50/100 weather score
June
Other strong months: August and May
87/100 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 Sibbo
The lowest comfort score is 5 out of 100. January, February, March, November and December share that score. In January, that is mainly because days reach only -1.8°C, 26° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Sibbo?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Sibbo?
July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23°C and 64 mm of rain.
What is the hottest month in Sibbo?
July is hottest in this record, with a typical daytime high of 23°C and a night-time low of 13.3°C.
Which month has the least rain?
March has the lowest monthly rainfall total at 34 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 | -1.8°C | -7.1°C | 54 mm | 11.9 | 2.0°C | 6 h 33 | 5 | Strong coverage |
| February | -2°C | -7.9°C | 41 mm | 8.8 | 0.7°C | 8 h 58 | 5 | Strong coverage |
| March | 2.2°C | -5°C | 34 mm | 7.9 | 0.6°C | 11 h 32 | 5 | Strong coverage |
| April | 9.1°C | 0.1°C | 36 mm | 7.2 | 2.1°C | 14 h 29 | 20 | Strong coverage |
| May | 16°C | 5.3°C | 39 mm | 7 | 6.2°C | 17 h 11 | 52 | Strong coverage |
| June | 20.1°C | 10.2°C | 64 mm | 9.4 | 11.4°C | 18 h 57 | 69 | Strong coverage |
| July | 23°C | 13.3°C | 64 mm | 7.9 | 16.2°C | 18 h 12 | 85 | Strong coverage |
| August | 21.2°C | 12°C | 78 mm | 10.6 | 17.2°C | 15 h 41 | 72 | Strong coverage |
| September | 15.7°C | 7.7°C | 61 mm | 9.2 | 14.5°C | 12 h 46 | 50 | Strong coverage |
| October | 8.6°C | 2.8°C | 79 mm | 10.6 | 10.3°C | 9 h 57 | 14 | Strong coverage |
| November | 3.4°C | -1°C | 70 mm | 11.9 | 6.9°C | 7 h 18 | 5 | Strong coverage |
| December | 0.4°C | -4.4°C | 62 mm | 12.3 | 4.1°C | 5 h 48 | 5 | Strong coverage |
What has changed
Recent daytime highs are
2.1°C warmer in Sibbo.
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
+2.3
Feb
+2.7
Mar
+2.6
Apr
+2.2
May
+1.5
Jun
+1.2
Jul
+2.0
Aug
+1.9
Sep
+2.5
Oct
+1.1
Nov
+2.2
Dec
+2.6
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 8.2°C10 Jan 2007 | -35.9°C10 Jan 1987 | 22 mm31 Jan 1955 | 105 mm2005 · driest 8 mm in 1972 | 75 |
| February | 10.0°C23 Feb 1990 | -33.9°C11 Feb 1956 | 32 mm16 Feb 2020 | 115 mm2020 · driest 3 mm in 1994 | 75 |
| March | 17.5°C27 Mar 2007 | -27.8°C18 Mar 1952 | 21 mm30 Mar 2015 | 78 mm1989 · driest 2 mm in 1956 | 75 |
| April | 23.6°C24 Apr 1995 | -17.8°C5 Apr 1956 | 24 mm12 Apr 1977 | 101 mm1977 · driest 3 mm in 1987 | 74 |
| May | 29.6°C15 May 2018 | -5.6°C2 May 1961 | 31 mm26 May 2021 | 92 mm2021 · driest 3 mm in 2024 | 75 |
| June | 31.7°C21 Jun 2021 | -0.6°C2 Jun 1975 | 53 mm16 Jun 2016 | 124 mm2008 · driest 4 mm in 1956 | 75 |
| July | 33.7°C28 Jul 2010 | 3.7°C5 Jul 1965 | 66 mm9 Jul 1996 | 201 mm2004 · driest 4 mm in 2006 | 74 |
| August | 31.5°C8 Aug 2010 | 0.4°C15 Aug 1978 | 59 mm11 Aug 1972 | 193 mm1972 · driest 6 mm in 2022 | 74 |
| September | 27.7°C6 Sep 1968 | -7.3°C28 Sep 1986 | 57 mm12 Sep 1962 | 150 mm2012 · driest 5 mm in 1959 | 74 |
| October | 18.2°C5 Oct 2005 | -14.5°C22 Oct 2002 | 44 mm9 Oct 2024 | 193 mm2006 · driest 15 mm in 1958 | 74 |
| November | 13.7°C12 Nov 2022 | -20.8°C30 Nov 1980 | 61 mm27 Nov 1955 | 216 mm1996 · driest 5 mm in 1993 | 74 |
| December | 10.8°C20 Dec 2015 | -32.3°C31 Dec 1978 | 30 mm5 Dec 1967 | 167 mm2011 · driest 8 mm in 1978 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 27 | <1 |
| February | 0 | 0 | 25 | <1 |
| March | 0 | 0 | 25 | <1 |
| April | 0 | 0 | 14 | <1 |
| May | 1 | 0 | 3 | 1 |
| June | 4 | <1 | 0 | 2 |
| July | 9 | 1 | 0 | 2 |
| August | 5 | <1 | 0 | 3 |
| September | <1 | 0 | 1 | 2 |
| October | 0 | 0 | 9 | 3 |
| November | 0 | 0 | 16 | 2 |
| December | 0 | 0 | 23 | 1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 38% | 2% | 47% | -7.0–0.7°C |
| February | 0% | 31% | 2% | 36% | -7.2–1.6°C |
| March | 0% | 27% | 1% | 28% | -1.8–4.7°C |
| April | 1% | 26% | 3% | 27% | 5.2–10.9°C |
| May | 18% | 23% | 3% | 23% | 13.0–18.1°C |
| June | 41% | 30% | 5% | 36% | 17.7–22.6°C |
| July | 56% | 31% | 7% | 36% | 19.8–25.3°C |
| August | 40% | 37% | 9% | 49% | 18.0–22.9°C |
| September | 7% | 35% | 7% | 44% | 12.5–17.1°C |
| October | 0% | 37% | 8% | 47% | 6.1–10.8°C |
| November | 0% | 43% | 7% | 55% | 0.0–5.5°C |
| December | 0% | 41% | 4% | 53% | -4.3–3.1°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 637067
- NOAA station
- FIE00142080 · VANTAA HELSINKI-VANTAAN LENTOA
- Station distance
- 17.9 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 30 usable years
- Daylight
- Calculated from latitude 60.38°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 29 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 Sibbo 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.
How travel partnerships will work