Grangemouth weather in December

In December, Grangemouth sees average daytime highs of 7°C and overnight lows near 2°C, with 92 mm of precipitation across 14.4 wet days and about 6.8 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 06 min at the start of December to 6 h 42 min by month's end. Set against the rest of the year, December is Grangemouth's 6th-clearest and 4th-windiest month. For the whole year in context, see Grangemouth's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
92 mm
14.4 wet days
Daylight
6 h 42 min
8:50 AM – 3:32 PM
Cloud cover
76%
6th clearest
Wind
14 km/h
4th windiest
Solar energy
0.36 kWh/m²
Travel score
0.6
out of 10

Grangemouth is industrial town in Falkirk, Scotland, UK.

Air quality
Good
PM2.5 7.8 µg/m³ · 2019

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 7°C through the month.

A typical December day in Grangemouth reaches about 7°C in the afternoon and slips back to 2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 11°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
173
273
373
473
573
673
773
872
972
1072
1172
1272
1372
1472
1572
1672
1762
1862
1962
2062
2162
2262
2362
2462
2562
2662
2762
2862
2962
3062
3162

How December really feels in Grangemouth

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
wind chill below the day's low

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

Grangemouth weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9315.437.30.5
Feb / 7713.22.69.20.8
Mar / 7213.91.811.41.5
Apr11° / 62130.713.82.5
May14° / 6512.90.1163.7
Jun17° / 10°7313.3017.24.6
Jul18° / 11°7714.4016.75.1
Aug18° / 11°8414.1014.85.1
Sep16° / 6612.1012.54.4
Oct12° / 9214.2010.12.9
Nov / 8514.70.681.5
Dec / 9214.42.26.80.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42872
52674
62674
72674
82674
92575
102575
112575
122476
132377
142278
152278
162278
172179
182179
192179
202179
212278
222278
232278
242179
252179
262179
272179
282179
292278
302377
312377

Chance of precipitation in December

Any precipitationSnow

Grangemouth gets around 92 mm of rain and snow over 14.4 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 47% and peaks near 51% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1495
2495
3496
4486
5486
6476
7476
8466
9466
10456
11456
12456
13456
14456
15456
16456
17456
18456
19457
20467
21467
22468
23478
24488
25489
26499
27509
285010
295110
305110
315110

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.

Across December, daily wind ranges from about 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 06 min at the start of December to 6 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over December. Sunrise moves from 8:31 AM to 8:56 AM, and sunset from 3:38 PM to 3:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.18:313:38
27.18:333:37
37.08:343:36
47.08:363:36
57.08:373:35
66.98:393:35
76.98:403:34
86.98:413:34
96.88:433:33
106.88:443:33
116.88:453:33
126.88:463:32
136.78:473:32
146.78:483:32
156.78:493:32
166.78:503:32
176.78:513:32
186.78:523:32
196.78:523:33
206.78:533:33
216.78:533:33
226.78:543:34
236.78:543:34
246.78:553:35
256.78:553:35
266.78:553:36
276.78:553:37
286.78:563:38
296.78:563:39
306.78:563:40
316.78:563:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.36 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.36 kWh/m² to a high of 4.65 kWh/m² in May across the year — December's 0.36 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.4Dim
30.4Dim
40.4Dim
50.4Dim
60.4Dim
70.4Dim
80.4Dim
90.4Dim
100.4Dim
110.4Dim
120.4Dim
130.4Dim
140.4Dim
150.4Dim
160.3Dim
170.3Dim
180.3Dim
190.3Dim
200.3Dim
210.3Dim
220.3Dim
230.3Dim
240.3Dim
250.3Dim
260.3Dim
270.3Dim
280.3Dim
290.4Dim
300.4Dim
310.4Dim
Planning a trip in December

Is December a good time to visit Grangemouth?

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

0.6
Sightseeing
11th-best month of the year
0.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Grangemouth.

What to pack for Grangemouth in December

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

In December, Grangemouth sees daytime highs around 7°C and nights near 2°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 14 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Grangemouth in December

The nearest coast averages about 8°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 39 km away) is warmest in August at about 14°C and coldest in February near 6°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr7Bracing
May10Bracing
Jun12Bracing
Jul14Bracing
Aug14Bracing
Sep13Bracing
Oct12Bracing
Nov10Bracing
Dec8Bracing

UV index in Grangemouth 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 Grangemouth peaks around June 20 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Grangemouth?

Grangemouth sits at 56.0°N, 3.7°W, 6 m above sea level, in United Kingdom. The nearest listed city is Falkirk, 4.0 km away.

Topography around Grangemouth

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

Within 3 km, the terrain around Grangemouth has only modest variations in elevation — a maximum elevation change of 87 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 321 m; within 80 km, large variations in elevation — a maximum elevation change of 1,196 m.

The land around Grangemouth is covered by artificial surfaces (39%) and grassland (21%) within 3 km, grassland (44%) and trees (23%) within 16 km, and grassland (59%) within 80 km.

3 km
87 m
16 km
321 m
80 km
1,196 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Falkirk 4.0 km · Alloa 12 km · Bathgate 13 km · Livingston 17 km · Dunfermline 18 km · Broxburn 18 km · Stirling 18 km · Cumbernauld 18 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 2%

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 Grangemouth (56.0114°, -3.7218°, elevation 6 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).