Plymouth weather in January
In January, Plymouth sees average daytime highs of 26°C and overnight lows near 24°C, with 35 mm of rain across 11.7 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 83% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Plymouth's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Plymouth's year-round climate.
- Daytime high
- 26°
- 10th warmest
- Overnight low
- 24°
- 3rd coldest
- Rainfall
- 35 mm
- 11.7 wet days
- Daylight
- 11 h 06 min
- 6:45 AM – 5:51 PM
- Cloud cover
- 27%
- 2nd clearest
- Wind
- 29 km/h
- 2nd windiest
- Solar energy
- 4.94 kWh/m²
- Travel score
- 7.1
- out of 10
Plymouth is de jure capital of Montserrat, West Indies, now a ghost town.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 26°C through the month.
A typical January day in Plymouth reaches about 26°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 26°C. Set against its neighbours, January runs on par with December and on par with February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 25 |
| 2 | 26 | 25 |
| 3 | 26 | 25 |
| 4 | 26 | 25 |
| 5 | 26 | 25 |
| 6 | 26 | 25 |
| 7 | 26 | 25 |
| 8 | 26 | 25 |
| 9 | 26 | 25 |
| 10 | 26 | 25 |
| 11 | 26 | 25 |
| 12 | 26 | 25 |
| 13 | 26 | 25 |
| 14 | 26 | 24 |
| 15 | 26 | 24 |
| 16 | 26 | 24 |
| 17 | 26 | 24 |
| 18 | 26 | 24 |
| 19 | 26 | 24 |
| 20 | 26 | 24 |
| 21 | 26 | 24 |
| 22 | 26 | 24 |
| 23 | 26 | 24 |
| 24 | 26 | 24 |
| 25 | 26 | 24 |
| 26 | 26 | 24 |
| 27 | 26 | 24 |
| 28 | 26 | 24 |
| 29 | 25 | 24 |
| 30 | 25 | 24 |
| 31 | 25 | 24 |
How January really feels in Plymouth
Once humidity and wind are folded in, January 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.
January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Plymouth weather by month
How January compares with the rest of the year at a glance. January is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 24° | 35 | 11.7 | 11.1 | 7.1 |
| Feb | 25° / 24° | 22 | 7.8 | 11.4 | 7.6 |
| Mar | 26° / 24° | 19 | 7.2 | 11.9 | 7.8 |
| Apr | 26° / 25° | 30 | 8.3 | 12.4 | 7.3 |
| May | 27° / 26° | 54 | 10.7 | 12.8 | 6.6 |
| Jun | 27° / 26° | 43 | 10.4 | 13 | 6.4 |
| Jul | 28° / 26° | 71 | 15.3 | 12.9 | 5.9 |
| Aug | 28° / 26° | 88 | 16.6 | 12.6 | 5.6 |
| Sep | 28° / 26° | 116 | 17.2 | 12.1 | 5.1 |
| Oct | 28° / 26° | 121 | 17.7 | 11.6 | 5.4 |
| Nov | 27° / 26° | 97 | 15.9 | 11.2 | 5.8 |
| Dec | 26° / 25° | 60 | 14.7 | 11 | 6.4 |
Cloud cover in January
The sky is clear or mostly clear about 83% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 6%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 91 | 91 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 93 |
| Cloudier (%) | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 91 | 9 |
| 2 | 91 | 9 |
| 3 | 92 | 8 |
| 4 | 92 | 8 |
| 5 | 92 | 8 |
| 6 | 93 | 7 |
| 7 | 93 | 7 |
| 8 | 93 | 7 |
| 9 | 93 | 7 |
| 10 | 93 | 7 |
| 11 | 95 | 5 |
| 12 | 95 | 5 |
| 13 | 95 | 5 |
| 14 | 95 | 5 |
| 15 | 95 | 5 |
| 16 | 95 | 5 |
| 17 | 96 | 4 |
| 18 | 96 | 4 |
| 19 | 96 | 4 |
| 20 | 96 | 4 |
| 21 | 96 | 4 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 95 | 5 |
| 25 | 95 | 5 |
| 26 | 94 | 6 |
| 27 | 94 | 6 |
| 28 | 94 | 6 |
| 29 | 94 | 6 |
| 30 | 94 | 6 |
| 31 | 93 | 7 |
Chance of precipitation in January
Plymouth gets around 35 mm of rain over 11.7 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 44% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 44 |
| 2 | 44 |
| 3 | 44 |
| 4 | 44 |
| 5 | 43 |
| 6 | 43 |
| 7 | 42 |
| 8 | 42 |
| 9 | 41 |
| 10 | 41 |
| 11 | 40 |
| 12 | 39 |
| 13 | 38 |
| 14 | 38 |
| 15 | 37 |
| 16 | 36 |
| 17 | 36 |
| 18 | 35 |
| 19 | 35 |
| 20 | 34 |
| 21 | 34 |
| 22 | 34 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 34 |
| 28 | 34 |
| 29 | 34 |
| 30 | 34 |
| 31 | 34 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 |
| Muggy (%) | 31 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 58 | 59 | 59 |
| Oppressive (%) | 67 | 67 | 66 | 65 | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 51 | 50 | 49 | 48 | 47 | 45 | 43 | 42 | 41 | 39 | 38 | 37 | 36 | 35 | 35 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 2 | 31 | 67 |
| 2 | 2 | 31 | 67 |
| 3 | 2 | 32 | 66 |
| 4 | 2 | 33 | 65 |
| 5 | 2 | 34 | 64 |
| 6 | 2 | 35 | 63 |
| 7 | 2 | 36 | 62 |
| 8 | 2 | 37 | 61 |
| 9 | 2 | 38 | 60 |
| 10 | 2 | 39 | 59 |
| 11 | 2 | 40 | 58 |
| 12 | 2 | 41 | 57 |
| 13 | 2 | 42 | 56 |
| 14 | 2 | 43 | 55 |
| 15 | 2 | 44 | 54 |
| 16 | 2 | 45 | 53 |
| 17 | 3 | 46 | 51 |
| 18 | 3 | 47 | 50 |
| 19 | 3 | 48 | 49 |
| 20 | 3 | 49 | 48 |
| 21 | 3 | 50 | 47 |
| 22 | 3 | 52 | 45 |
| 23 | 4 | 53 | 43 |
| 24 | 4 | 54 | 42 |
| 25 | 4 | 55 | 41 |
| 26 | 5 | 56 | 39 |
| 27 | 5 | 57 | 38 |
| 28 | 5 | 58 | 37 |
| 29 | 6 | 58 | 36 |
| 30 | 6 | 59 | 35 |
| 31 | 6 | 59 | 35 |
Wind in January
Winds average 29 km/h in January.
Across January, daily wind ranges from about 28 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Feels | windy | windy | windy | windy | windy | windy | windy | windy | windy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 29 | windy |
| 2 | 29 | windy |
| 3 | 29 | windy |
| 4 | 29 | windy |
| 5 | 29 | windy |
| 6 | 29 | windy |
| 7 | 29 | windy |
| 8 | 29 | windy |
| 9 | 29 | windy |
| 10 | 29 | breezy |
| 11 | 29 | breezy |
| 12 | 29 | breezy |
| 13 | 29 | breezy |
| 14 | 28 | breezy |
| 15 | 28 | breezy |
| 16 | 28 | breezy |
| 17 | 28 | breezy |
| 18 | 28 | breezy |
| 19 | 28 | breezy |
| 20 | 28 | breezy |
| 21 | 28 | breezy |
| 22 | 28 | breezy |
| 23 | 28 | breezy |
| 24 | 28 | breezy |
| 25 | 28 | breezy |
| 26 | 28 | breezy |
| 27 | 28 | breezy |
| 28 | 28 | breezy |
| 29 | 28 | breezy |
| 30 | 28 | breezy |
| 31 | 28 | breezy |
Sunrise & sunset in January
Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over January. Sunrise moves from 6:41 AM to 6:45 AM, and sunset from 5:43 PM to 6:00 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 |
| Sunrise (AM) | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 |
| Sunset (PM) | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:41 | 5:43 |
| 2 | 11.0 | 6:42 | 5:43 |
| 3 | 11.0 | 6:42 | 5:44 |
| 4 | 11.0 | 6:42 | 5:44 |
| 5 | 11.0 | 6:43 | 5:45 |
| 6 | 11.0 | 6:43 | 5:45 |
| 7 | 11.0 | 6:43 | 5:46 |
| 8 | 11.1 | 6:44 | 5:47 |
| 9 | 11.1 | 6:44 | 5:47 |
| 10 | 11.1 | 6:44 | 5:48 |
| 11 | 11.1 | 6:44 | 5:48 |
| 12 | 11.1 | 6:44 | 5:49 |
| 13 | 11.1 | 6:45 | 5:49 |
| 14 | 11.1 | 6:45 | 5:50 |
| 15 | 11.1 | 6:45 | 5:51 |
| 16 | 11.1 | 6:45 | 5:51 |
| 17 | 11.1 | 6:45 | 5:52 |
| 18 | 11.1 | 6:45 | 5:52 |
| 19 | 11.1 | 6:45 | 5:53 |
| 20 | 11.1 | 6:45 | 5:54 |
| 21 | 11.1 | 6:45 | 5:54 |
| 22 | 11.2 | 6:45 | 5:55 |
| 23 | 11.2 | 6:45 | 5:55 |
| 24 | 11.2 | 6:45 | 5:56 |
| 25 | 11.2 | 6:45 | 5:56 |
| 26 | 11.2 | 6:45 | 5:57 |
| 27 | 11.2 | 6:45 | 5:58 |
| 28 | 11.2 | 6:45 | 5:58 |
| 29 | 11.2 | 6:45 | 5:59 |
| 30 | 11.2 | 6:45 | 5:59 |
| 31 | 11.2 | 6:45 | 6:00 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.94 kWh/m².
For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.77 kWh/m² in April across the year — January's 4.94 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.8 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 4.9 | Bright |
| 16 | 4.9 | Bright |
| 17 | 5.0 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.0 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Plymouth
None of Plymouth's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Plymouth sits in the Atlantic hurricane belt; the season peaks August–October.
Plymouth's rainy season runs July–December, when most of the year's rain falls.
Plymouth sees seasonal dust haze (June–July), heaviest in July.
Is January a good time to visit Plymouth?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is one of the better times to visit Plymouth for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Plymouth in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Plymouth sees daytime highs around 26°C and nights near 24°C. Pack a windbreaker. Worth having: light clothes, rain gear and sun protection. About 12 days see rain.
Sea temperature near Plymouth in January
The nearest coast averages about 27°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in September at about 29°C and coldest in February near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in Plymouth in January
Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Plymouth peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Plymouth in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Plymouth is worst in June — around 26 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 11 | 10 | 12 | 16 | 26 | 25 | 22 | 17 | 18 | 11 | 8 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 12 | Moderate |
| May | 16 | Moderate |
| Jun | 26 | Moderate |
| Jul | 25 | Moderate |
| Aug | 22 | Moderate |
| Sep | 17 | Moderate |
| Oct | 18 | Moderate |
| Nov | 11 | Good |
| Dec | 8 | Good |
Where is Plymouth?
Plymouth sits at 16.7°N, 62.2°W, 77 m above sea level, in Montserrat. The nearest listed city is Brades, 10 km away.
Topography around Plymouth
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Plymouth.
Within 3 km, the terrain around Plymouth has large variations in elevation — a maximum elevation change of 805 m around an average of 118 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,037 m; within 80 km, large variations in elevation — a maximum elevation change of 1,012 m.
The land around Plymouth is covered by trees (43%) and water (36%) within 3 km, water (88%) within 16 km, and water (94%) within 80 km.
Montserrat travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 230 V · 60 Hz
- Religion
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 Plymouth (16.7055°, -62.2129°, elevation 77 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).