Vihti weather in December

In December, Vihti sees average daytime highs of -1°C and overnight lows near -5°C, with 54 mm of precipitation across 11.2 wet days and about 5.5 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 1°C in the first days to -2°C by the end. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels dry.

Daylight stretches from about 6 hours at the start of December to 5 h 30 min by month's end. Set against the rest of the year, December is Vihti's 10th-clearest and 1st-windiest month. For the whole year in context, see Vihti's year-round climate.

Daytime high
-1°
10th warmest
Overnight low
-5°
4th coldest
Precipitation
54 mm
11.2 wet days
Daylight
5 h 24 min
9:36 AM – 3:01 PM
Cloud cover
83%
10th clearest
Wind
14 km/h
1st windiest
Solar energy
0.15 kWh/m²
Travel score
0.0
out of 10

Vihti is village in Vihti, Finland.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 1°C in the first days to -2°C by the end.

A typical December day in Vihti reaches about -1°C in the afternoon and slips back to -5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -7°C and 5°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
11-3
21-3
31-3
41-3
51-3
61-3
71-3
80-3
90-3
100-3
110-4
120-4
130-4
140-4
150-4
160-4
17-1-5
18-1-5
19-1-5
20-1-5
21-1-5
22-1-6
23-1-6
24-1-6
25-2-6
26-2-6
27-2-6
28-2-6
29-2-6
30-2-6
31-2-6

How December really feels in Vihti

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
14 feel bitter (≤ -10°C)

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

Vihti weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°4810.710.26.30.0
Feb-3° / -8°398.78.98.60.0
Mar / -5°368.3711.30.0
Apr / -0°369.1314.21.4
May15° / 479.50.216.84.5
Jun19° / 10°7412.2018.55.6
Jul21° / 12°7912.2017.86.2
Aug20° / 11°7712.8015.45.8
Sep15° / 5410012.64.2
Oct / 5610.619.71.2
Nov / -1°5310.95.17.10.0
Dec-1° / -5°5411.29.15.50.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51486
61585
71486
81486
91486
101486
111585
121585
131585
141585
151684
161783
171783
181783
191783
201882
211882
221882
231981
242080
252080
262080
272080
282080
292080
301981
311981

Chance of precipitation in December

Any precipitationSnow

Vihti gets around 54 mm of rain and snow over 11.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 37% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13725
23725
33625
43625
53626
63626
73626
83627
93627
103628
113528
123529
133529
143529
153529
163530
173530
183530
193531
203631
213631
223631
233731
243731
253731
263731
273731
283731
293732
303732
313732

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 14 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 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
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 6 hours at the start of December to 5 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over December. Sunrise moves from 9:13 AM to 9:41 AM, and sunset from 3:12 PM to 3:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.09:133:12
25.99:153:11
35.99:173:09
45.89:193:08
55.89:213:07
65.79:233:06
75.79:243:05
85.69:263:05
95.69:283:04
105.69:293:03
115.59:303:03
125.59:323:02
135.59:333:02
145.59:343:02
155.49:353:01
165.49:363:01
175.49:373:01
185.49:383:01
195.49:393:02
205.49:403:02
215.49:403:02
225.49:413:03
235.49:413:03
245.49:423:04
255.49:423:04
265.49:423:05
275.49:423:06
285.49:423:07
295.49:423:08
305.59:423:09
315.59:413:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.15 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.15 kWh/m² to a high of 5.5 kWh/m² in June across the year — December's 0.15 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.2Dim
20.2Dim
30.2Dim
40.2Dim
50.2Dim
60.2Dim
70.2Dim
80.1Dim
90.1Dim
100.1Dim
110.1Dim
120.1Dim
130.1Dim
140.1Dim
150.1Dim
160.1Dim
170.1Dim
180.1Dim
190.1Dim
200.1Dim
210.1Dim
220.1Dim
230.1Dim
240.1Dim
250.1Dim
260.1Dim
270.1Dim
280.1Dim
290.1Dim
300.2Dim
310.2Dim
Planning a trip in December

Is December a good time to visit Vihti?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Vihti.

What to pack for Vihti in December

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

In December, Vihti sees daytime highs around -1°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Vihti in December

The nearest coast averages about 4°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 37 km away) is warmest in August at about 17°C and coldest in March near 1°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan2Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May6Bracing
Jun11Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec4Bracing

UV index in Vihti in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vihti peaks around June 18 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 18UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Vihti?

Vihti sits at 60.4°N, 24.3°E, 39 m above sea level, in Finland. The nearest listed city is Lohja, 23 km away.

Topography around Vihti

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

Within 3 km, the terrain around Vihti has only modest variations in elevation — a maximum elevation change of 97 m around an average of 61 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, only modest variations in elevation — a maximum elevation change of 195 m.

The land around Vihti is covered by trees (67%) within 3 km, trees (70%) within 16 km, and trees (57%) and water (25%) within 80 km.

3 km
97 m
16 km
135 m
80 km
195 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Lohja 23 km · Klaukkala 24 km · Nurmijärvi 27 km · Espoo 30 km · Kirkkonummi 33 km · Myyrmäki 33 km · Espoonlahti 35 km · Olari 35 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 Vihti (60.417°, 24.3196°, elevation 39 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).