Eagle River weather in February
In February, Eagle River sees average daytime highs of 22°F and overnight lows near 11°F, with 3.9 in of precipitation across 13.3 wet days and about 8.4 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 19°F in the first days to 23°F by the end. The sky is clear or mostly clear about 23% of the time in February, and the air most often feels dry.
Daylight stretches from about 7 h 12 min at the start of February to 9 h 42 min by month's end. Set against the rest of the year, February is Eagle River's 5th-clearest and 3rd-windiest month. For the whole year in context, see Eagle River's year-round climate.
- Daytime high
- 22°
- 10th warmest
- Overnight low
- 11°
- 3rd coldest
- Precipitation
- 3.9 in
- 13.3 wet days
- Daylight
- 8 h 30 min
- 8:59 AM – 5:27 PM
- Cloud cover
- 69%
- 5th clearest
- Wind
- 3 mph
- 3rd windiest
- Solar energy
- 1.1 kWh/m²
- Travel score
- 0.0
- out of 10
Eagle River is community in Alaska, USA.
- Density
- 224/km²
- people per km²
- Founded
- 1939
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Highs climb over the month, from about 19°F in the first days to 23°F by the end.
A typical February day in Eagle River reaches about 22°F in the afternoon and slips back to 11°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 6°F and 33°F. Set against its neighbours, February runs about 5°F warmer than January and about 6°F cooler than March.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
| Avg low (°F) | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 18 | 8 |
| 2 | 19 | 9 |
| 3 | 19 | 9 |
| 4 | 19 | 9 |
| 5 | 20 | 9 |
| 6 | 20 | 10 |
| 7 | 20 | 10 |
| 8 | 20 | 10 |
| 9 | 21 | 11 |
| 10 | 21 | 11 |
| 11 | 21 | 11 |
| 12 | 22 | 11 |
| 13 | 22 | 11 |
| 14 | 22 | 11 |
| 15 | 22 | 12 |
| 16 | 22 | 12 |
| 17 | 23 | 12 |
| 18 | 23 | 12 |
| 19 | 23 | 12 |
| 20 | 23 | 12 |
| 21 | 23 | 11 |
| 22 | 23 | 11 |
| 23 | 23 | 11 |
| 24 | 23 | 11 |
| 25 | 23 | 11 |
| 26 | 23 | 11 |
| 27 | 23 | 11 |
| 28 | 24 | 11 |
How February really feels in Eagle River
Once humidity and wind are folded in, February averages 0 days that feel above 90°F and 28 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in February is cold — wind chill drags the overnight "feels like" below the raw low.
Eagle River weather by month
How February compares with the rest of the year at a glance. February is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 17° / 7° | 4.1 | 14.2 | 15.2 | 6 | 0.0 |
| Feb | 22° / 11° | 3.9 | 13.3 | 14.3 | 8.4 | 0.0 |
| Mar | 27° / 14° | 3.2 | 12.6 | 13.9 | 11.3 | 0.0 |
| Apr | 38° / 25° | 2.7 | 12 | 12.3 | 14.3 | 0.1 |
| May | 48° / 34° | 2.5 | 12.1 | 9 | 17.1 | 1.7 |
| Jun | 57° / 44° | 3.0 | 15.1 | 2.1 | 18.8 | 3.4 |
| Jul | 60° / 48° | 4.4 | 18 | 0.4 | 18.1 | 3.8 |
| Aug | 58° / 46° | 5.8 | 18.5 | 0.7 | 15.6 | 3.3 |
| Sep | 49° / 38° | 6.8 | 18.3 | 7.2 | 12.6 | 1.6 |
| Oct | 36° / 26° | 5.6 | 16.5 | 14.6 | 9.6 | 0.0 |
| Nov | 24° / 14° | 4.7 | 15.1 | 15.7 | 6.8 | 0.0 |
| Dec | 19° / 10° | 5.5 | 17.1 | 18.6 | 5.2 | 0.0 |
Cloud cover in February
The sky is clear or mostly clear about 23% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 9% of February, with mostly cloudy or overcast conditions the remaining 68%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 29 | 30 | 31 | 31 | 31 | 31 | 32 | 33 | 35 | 35 | 36 | 37 | 38 | 39 | 40 |
| Cloudier (%) | 68 | 68 | 69 | 69 | 69 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 72 | 71 | 70 | 69 | 69 | 69 | 69 | 68 | 67 | 65 | 65 | 64 | 63 | 62 | 61 | 60 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 32 | 68 |
| 2 | 32 | 68 |
| 3 | 31 | 69 |
| 4 | 31 | 69 |
| 5 | 31 | 69 |
| 6 | 30 | 70 |
| 7 | 30 | 70 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 29 | 71 |
| 11 | 29 | 71 |
| 12 | 28 | 72 |
| 13 | 28 | 72 |
| 14 | 29 | 71 |
| 15 | 30 | 70 |
| 16 | 31 | 69 |
| 17 | 31 | 69 |
| 18 | 31 | 69 |
| 19 | 31 | 69 |
| 20 | 32 | 68 |
| 21 | 33 | 67 |
| 22 | 35 | 65 |
| 23 | 35 | 65 |
| 24 | 36 | 64 |
| 25 | 37 | 63 |
| 26 | 38 | 62 |
| 27 | 39 | 61 |
| 28 | 40 | 60 |
Chance of precipitation in February
Eagle River gets around 3.9 in of rain and snow over 13.3 wet days in February. 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 50% on the wettest days, and about 14 days bring snow.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 46 | 46 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 44 | 43 | 43 | 43 |
| Snow chance (%) | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 52 | 51 | 51 | 50 | 49 | 48 | 47 | 47 | 46 | 45 | 45 | 45 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 46 | 51 |
| 2 | 46 | 51 |
| 3 | 46 | 51 |
| 4 | 47 | 52 |
| 5 | 47 | 52 |
| 6 | 48 | 53 |
| 7 | 48 | 53 |
| 8 | 49 | 53 |
| 9 | 49 | 54 |
| 10 | 50 | 54 |
| 11 | 50 | 54 |
| 12 | 50 | 54 |
| 13 | 50 | 54 |
| 14 | 50 | 54 |
| 15 | 50 | 53 |
| 16 | 49 | 53 |
| 17 | 49 | 52 |
| 18 | 48 | 51 |
| 19 | 48 | 51 |
| 20 | 47 | 50 |
| 21 | 47 | 49 |
| 22 | 46 | 48 |
| 23 | 45 | 47 |
| 24 | 45 | 47 |
| 25 | 44 | 46 |
| 26 | 43 | 45 |
| 27 | 43 | 45 |
| 28 | 43 | 45 |
Humidity in February
Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
Wind in February
Winds average 3 mph in February.
Across February, daily wind ranges from about 3 mph on the calmest days to 3 mph 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 3 | calm |
| 2 | 3 | calm |
| 3 | 3 | calm |
| 4 | 3 | calm |
| 5 | 3 | calm |
| 6 | 3 | calm |
| 7 | 3 | calm |
| 8 | 3 | calm |
| 9 | 3 | calm |
| 10 | 3 | calm |
| 11 | 3 | calm |
| 12 | 3 | calm |
| 13 | 3 | calm |
| 14 | 3 | calm |
| 15 | 3 | calm |
| 16 | 3 | calm |
| 17 | 3 | calm |
| 18 | 3 | calm |
| 19 | 3 | calm |
| 20 | 3 | calm |
| 21 | 3 | calm |
| 22 | 3 | calm |
| 23 | 3 | calm |
| 24 | 3 | calm |
| 25 | 3 | calm |
| 26 | 3 | calm |
| 27 | 3 | calm |
| 28 | 3 | calm |
Sunrise & sunset in February
Daylight runs from about 7 h 12 min at the start of February to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 150 minutes over February. Sunrise moves from 9:36 AM to 8:20 AM, and sunset from 4:48 PM to 6:03 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 7.2 | 7.3 | 7.4 | 7.5 | 7.5 | 7.6 | 7.7 | 7.8 | 7.9 | 8.0 | 8.1 | 8.2 | 8.3 | 8.4 | 8.5 | 8.6 | 8.7 | 8.8 | 8.9 | 8.9 | 9.0 | 9.1 | 9.2 | 9.3 | 9.4 | 9.5 | 9.6 | 9.7 |
| Sunrise (AM) | 9:36 | 9:33 | 9:31 | 9:28 | 9:26 | 9:23 | 9:21 | 9:18 | 9:15 | 9:13 | 9:10 | 9:07 | 9:04 | 9:02 | 8:59 | 8:56 | 8:53 | 8:50 | 8:47 | 8:44 | 8:41 | 8:38 | 8:35 | 8:32 | 8:29 | 8:26 | 8:23 | 8:20 |
| Sunset (PM) | 4:48 | 4:50 | 4:53 | 4:56 | 4:59 | 5:02 | 5:04 | 5:07 | 5:10 | 5:13 | 5:16 | 5:19 | 5:21 | 5:24 | 5:27 | 5:30 | 5:33 | 5:35 | 5:38 | 5:41 | 5:44 | 5:47 | 5:49 | 5:52 | 5:55 | 5:58 | 6:01 | 6:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 7.2 | 9:36 | 4:48 |
| 2 | 7.3 | 9:33 | 4:50 |
| 3 | 7.4 | 9:31 | 4:53 |
| 4 | 7.5 | 9:28 | 4:56 |
| 5 | 7.5 | 9:26 | 4:59 |
| 6 | 7.6 | 9:23 | 5:02 |
| 7 | 7.7 | 9:21 | 5:04 |
| 8 | 7.8 | 9:18 | 5:07 |
| 9 | 7.9 | 9:15 | 5:10 |
| 10 | 8.0 | 9:13 | 5:13 |
| 11 | 8.1 | 9:10 | 5:16 |
| 12 | 8.2 | 9:07 | 5:19 |
| 13 | 8.3 | 9:04 | 5:21 |
| 14 | 8.4 | 9:02 | 5:24 |
| 15 | 8.5 | 8:59 | 5:27 |
| 16 | 8.6 | 8:56 | 5:30 |
| 17 | 8.7 | 8:53 | 5:33 |
| 18 | 8.8 | 8:50 | 5:35 |
| 19 | 8.9 | 8:47 | 5:38 |
| 20 | 8.9 | 8:44 | 5:41 |
| 21 | 9.0 | 8:41 | 5:44 |
| 22 | 9.1 | 8:38 | 5:47 |
| 23 | 9.2 | 8:35 | 5:49 |
| 24 | 9.3 | 8:32 | 5:52 |
| 25 | 9.4 | 8:29 | 5:55 |
| 26 | 9.5 | 8:26 | 5:58 |
| 27 | 9.6 | 8:23 | 6:01 |
| 28 | 9.7 | 8:20 | 6:03 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 1.1 kWh/m².
For context, solar energy here swings from a low near 0.19 kWh/m² to a high of 5.66 kWh/m² in May across the year — February's 1.1 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 1.0 | 1.0 | 1.1 | 1.1 | 1.1 | 1.2 | 1.2 | 1.3 | 1.3 | 1.4 | 1.4 | 1.5 | 1.6 | 1.6 | 1.7 | 1.7 | 1.8 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 0.7 | Dim |
| 2 | 0.7 | Dim |
| 3 | 0.7 | Dim |
| 4 | 0.7 | Dim |
| 5 | 0.8 | Dim |
| 6 | 0.8 | Dim |
| 7 | 0.8 | Dim |
| 8 | 0.8 | Dim |
| 9 | 0.9 | Dim |
| 10 | 0.9 | Dim |
| 11 | 0.9 | Dim |
| 12 | 1.0 | Dim |
| 13 | 1.0 | Dim |
| 14 | 1.1 | Dim |
| 15 | 1.1 | Dim |
| 16 | 1.1 | Dim |
| 17 | 1.2 | Dim |
| 18 | 1.2 | Dim |
| 19 | 1.3 | Dim |
| 20 | 1.3 | Dim |
| 21 | 1.4 | Dim |
| 22 | 1.4 | Dim |
| 23 | 1.5 | Dim |
| 24 | 1.6 | Dim |
| 25 | 1.6 | Dim |
| 26 | 1.7 | Dim |
| 27 | 1.7 | Dim |
| 28 | 1.8 | Dim |
Is February a good time to visit Eagle River?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a weaker month for outdoor sightseeing in Eagle River.
What to pack for Eagle River in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Eagle River sees daytime highs around 22°F and nights near 11°F. Pack a warm layer, a heavy coat and rain gear. About 13 days see rain.
Sea temperature near Eagle River in February
The nearest coast averages about 31°F in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 mi away) is warmest in August at about 57°F and coldest in February near 31°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 31 | 31 | 31 | 32 | 36 | 48 | 55 | 57 | 54 | 47 | 40 | 32 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 31 | Bracing |
| Feb | 31 | Bracing |
| Mar | 31 | Bracing |
| Apr | 32 | Bracing |
| May | 36 | Bracing |
| Jun | 48 | Bracing |
| Jul | 55 | Bracing |
| Aug | 57 | Bracing |
| Sep | 54 | Bracing |
| Oct | 47 | Bracing |
| Nov | 40 | Bracing |
| Dec | 32 | Bracing |
UV index in Eagle River in February
Clear-sky midday UV in February peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Eagle River peaks around June 23 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 1 | 3 | 4 | 5 | 5 | 4 | 2 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 1 | Low |
| Apr | 3 | Moderate |
| May | 4 | Moderate |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 4 | Moderate |
| Sep | 2 | Moderate |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Where is Eagle River?
Eagle River sits at 61.3°N, 149.6°W, 322 ft above sea level, in United States. The nearest listed city is Anchorage, 13 mi away.
Topography around Eagle River
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Eagle River.
Within 2 miles, the terrain around Eagle River has significant variations in elevation — a maximum elevation change of 1,713 ft around an average of 466 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,413 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,846 ft.
The land around Eagle River is covered by trees (78%) within 2 miles, trees (42%), grassland (26%) and water (23%) within 10 miles, and trees (36%) and grassland (23%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Eagle River (61.3214°, -149.5678°, elevation 322 ft), 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).