McKinleyville weather in May
In May, McKinleyville sees average daytime highs of 58°F and overnight lows near 47°F, with 2.6 in of rain across 7.4 wet days and about 14.3 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 57°F in the first days to 59°F by the end. The sky is clear or mostly clear about 36% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is McKinleyville's 6th-clearest and 6th-windiest month. For the whole year in context, see McKinleyville's year-round climate.
- Daytime high
- 58°
- 6th warmest
- Overnight low
- 47°
- 7th coldest
- Rainfall
- 2.6 in
- 7.4 wet days
- Daylight
- 14 h 18 min
- 5:04 AM – 7:21 PM
- Cloud cover
- 53%
- 6th clearest
- Wind
- 6 mph
- 6th windiest
- Solar energy
- 6.69 kWh/m²
- Travel score
- 4.6
- out of 10
McKinleyville is census-designated place in Humboldt County, California, United States.
- Density
- 279/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 57°F in the first days to 59°F by the end.
A typical May day in McKinleyville reaches about 58°F in the afternoon and slips back to 47°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 64°F. Set against its neighbours, May runs about 3°F warmer than April and about 4°F cooler than June.
| 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 (°F) | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 |
| Avg low (°F) | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 56 | 45 |
| 2 | 57 | 45 |
| 3 | 57 | 45 |
| 4 | 57 | 46 |
| 5 | 57 | 46 |
| 6 | 57 | 46 |
| 7 | 57 | 46 |
| 8 | 57 | 46 |
| 9 | 57 | 46 |
| 10 | 57 | 46 |
| 11 | 57 | 46 |
| 12 | 57 | 46 |
| 13 | 58 | 47 |
| 14 | 58 | 47 |
| 15 | 58 | 47 |
| 16 | 58 | 47 |
| 17 | 58 | 47 |
| 18 | 58 | 47 |
| 19 | 58 | 47 |
| 20 | 58 | 47 |
| 21 | 58 | 47 |
| 22 | 58 | 48 |
| 23 | 59 | 48 |
| 24 | 59 | 48 |
| 25 | 59 | 48 |
| 26 | 59 | 48 |
| 27 | 59 | 48 |
| 28 | 59 | 48 |
| 29 | 59 | 48 |
| 30 | 60 | 49 |
| 31 | 60 | 49 |
McKinleyville weather by month
How May compares with the rest of the year at a glance. May is the 6th-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 | 51° / 41° | 9.3 | 15.3 | 1.7 | 9.4 | 2.2 |
| Feb | 52° / 41° | 7.4 | 13.5 | 2.4 | 10.4 | 2.4 |
| Mar | 53° / 42° | 7.8 | 15.1 | 2.6 | 11.7 | 2.6 |
| Apr | 55° / 44° | 4.8 | 12.1 | 0.7 | 13.1 | 3.2 |
| May | 58° / 47° | 2.6 | 7.4 | 0 | 14.3 | 4.6 |
| Jun | 62° / 50° | 1.0 | 3.7 | 0 | 14.9 | 6.3 |
| Jul | 66° / 53° | 0.1 | 0.7 | 0 | 14.6 | 7.9 |
| Aug | 67° / 53° | 0.2 | 0.9 | 0 | 13.6 | 8.0 |
| Sep | 65° / 51° | 0.8 | 2.6 | 0 | 12.3 | 7.6 |
| Oct | 61° / 48° | 3.5 | 6.5 | 0 | 10.9 | 5.8 |
| Nov | 54° / 44° | 6.9 | 12.6 | 0.4 | 9.7 | 3.2 |
| Dec | 51° / 41° | 11.2 | 15.5 | 1.8 | 9.1 | 2.1 |
Cloud cover in May
The sky is clear or mostly clear about 36% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 46%.
| 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 (%) | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 53 | 53 | 54 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 |
| Cloudier (%) | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 47 | 47 | 46 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 53 | 47 |
| 2 | 53 | 47 |
| 3 | 54 | 46 |
| 4 | 54 | 46 |
| 5 | 54 | 46 |
| 6 | 54 | 46 |
| 7 | 54 | 46 |
| 8 | 53 | 47 |
| 9 | 53 | 47 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 53 | 47 |
| 14 | 53 | 47 |
| 15 | 53 | 47 |
| 16 | 54 | 46 |
| 17 | 54 | 46 |
| 18 | 53 | 47 |
| 19 | 53 | 47 |
| 20 | 54 | 46 |
| 21 | 55 | 45 |
| 22 | 55 | 45 |
| 23 | 55 | 45 |
| 24 | 56 | 44 |
| 25 | 56 | 44 |
| 26 | 56 | 44 |
| 27 | 56 | 44 |
| 28 | 57 | 43 |
| 29 | 57 | 43 |
| 30 | 57 | 43 |
| 31 | 57 | 43 |
Chance of precipitation in May
McKinleyville gets around 2.6 in of rain over 7.4 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 24% and peaks near 27% on the wettest days.
| 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 (%) | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 27 |
| 2 | 27 |
| 3 | 26 |
| 4 | 25 |
| 5 | 25 |
| 6 | 25 |
| 7 | 25 |
| 8 | 25 |
| 9 | 25 |
| 10 | 25 |
| 11 | 25 |
| 12 | 25 |
| 13 | 26 |
| 14 | 26 |
| 15 | 26 |
| 16 | 26 |
| 17 | 26 |
| 18 | 26 |
| 19 | 26 |
| 20 | 25 |
| 21 | 25 |
| 22 | 24 |
| 23 | 24 |
| 24 | 23 |
| 25 | 22 |
| 26 | 22 |
| 27 | 21 |
| 28 | 21 |
| 29 | 20 |
| 30 | 20 |
| 31 | 20 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 98% 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 98 | 2 |
| 22 | 98 | 2 |
| 23 | 98 | 2 |
| 24 | 97 | 3 |
| 25 | 97 | 3 |
| 26 | 97 | 3 |
| 27 | 97 | 3 |
| 28 | 96 | 4 |
| 29 | 96 | 4 |
| 30 | 96 | 4 |
| 31 | 96 | 4 |
Wind in May
Winds average 6 mph in May.
Across May, daily wind ranges from about 6 mph on the calmest days to 6 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 42 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 60 minutes over May. Sunrise moves from 5:22 AM to 4:53 AM, and sunset from 7:05 PM to 7:35 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) | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 |
| Sunrise (AM) | 5:22 | 5:20 | 5:19 | 5:18 | 5:17 | 5:15 | 5:14 | 5:13 | 5:12 | 5:11 | 5:09 | 5:08 | 5:07 | 5:06 | 5:05 | 5:04 | 5:03 | 5:02 | 5:01 | 5:01 | 5:00 | 4:59 | 4:58 | 4:57 | 4:57 | 4:56 | 4:55 | 4:55 | 4:54 | 4:54 | 4:53 |
| Sunset (PM) | 7:05 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 | 7:12 | 7:13 | 7:14 | 7:15 | 7:16 | 7:17 | 7:18 | 7:19 | 7:20 | 7:21 | 7:22 | 7:23 | 7:24 | 7:25 | 7:26 | 7:27 | 7:28 | 7:29 | 7:30 | 7:30 | 7:31 | 7:32 | 7:33 | 7:34 | 7:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.7 | 5:22 | 7:05 |
| 2 | 13.8 | 5:20 | 7:07 |
| 3 | 13.8 | 5:19 | 7:08 |
| 4 | 13.8 | 5:18 | 7:09 |
| 5 | 13.9 | 5:17 | 7:10 |
| 6 | 13.9 | 5:15 | 7:11 |
| 7 | 14.0 | 5:14 | 7:12 |
| 8 | 14.0 | 5:13 | 7:13 |
| 9 | 14.0 | 5:12 | 7:14 |
| 10 | 14.1 | 5:11 | 7:15 |
| 11 | 14.1 | 5:09 | 7:16 |
| 12 | 14.1 | 5:08 | 7:17 |
| 13 | 14.2 | 5:07 | 7:18 |
| 14 | 14.2 | 5:06 | 7:19 |
| 15 | 14.2 | 5:05 | 7:20 |
| 16 | 14.3 | 5:04 | 7:21 |
| 17 | 14.3 | 5:03 | 7:22 |
| 18 | 14.3 | 5:02 | 7:23 |
| 19 | 14.4 | 5:01 | 7:24 |
| 20 | 14.4 | 5:01 | 7:25 |
| 21 | 14.4 | 5:00 | 7:26 |
| 22 | 14.5 | 4:59 | 7:27 |
| 23 | 14.5 | 4:58 | 7:28 |
| 24 | 14.5 | 4:57 | 7:29 |
| 25 | 14.5 | 4:57 | 7:30 |
| 26 | 14.6 | 4:56 | 7:30 |
| 27 | 14.6 | 4:55 | 7:31 |
| 28 | 14.6 | 4:55 | 7:32 |
| 29 | 14.6 | 4:54 | 7:33 |
| 30 | 14.7 | 4:54 | 7:34 |
| 31 | 14.7 | 4:53 | 7:35 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.69 kWh/m².
For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 7.8 kWh/m² in July across the year — May's 6.69 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.3 | Intense |
| 2 | 6.3 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.7 | Intense |
| 18 | 6.7 | Intense |
| 19 | 6.7 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.9 | Intense |
| 25 | 6.9 | Intense |
| 26 | 6.9 | Intense |
| 27 | 7.0 | Intense |
| 28 | 7.0 | Intense |
| 29 | 7.0 | Intense |
| 30 | 7.1 | Intense |
| 31 | 7.1 | Intense |
Hazard calendar for McKinleyville
None of McKinleyville's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
McKinleyville's rainy season runs November–March, when most of the year's rain falls.
Is May a good time to visit McKinleyville?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit McKinleyville for sightseeing.
What to pack for McKinleyville in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, McKinleyville sees daytime highs around 58°F and nights near 47°F. Pack sun protection. Worth having: a warm layer. About 7 days see rain.
Sea temperature near McKinleyville in May
The nearest coast averages about 52°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 55°F and coldest in March near 51°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) | 52 | 52 | 51 | 52 | 52 | 53 | 54 | 55 | 55 | 54 | 53 | 53 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 52 | Bracing |
| Feb | 52 | Bracing |
| Mar | 51 | Bracing |
| Apr | 52 | Bracing |
| May | 52 | Bracing |
| Jun | 53 | Bracing |
| Jul | 54 | Bracing |
| Aug | 55 | Bracing |
| Sep | 55 | Bracing |
| Oct | 54 | Bracing |
| Nov | 53 | Bracing |
| Dec | 53 | Bracing |
UV index in McKinleyville in May
Clear-sky midday UV in May 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 McKinleyville peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 9 | 10 | 9 | 8 | 5 | 5 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 9 | Very high |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Low |
| Dec | 2 | Low |
Air quality in McKinleyville in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in McKinleyville is worst in September — around 154 µg/m³ PM2.5 (very unhealthy), about 39.6× the cleanest month (January, 4 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) | 4 | 7 | 6 | 7 | 6 | 6 | 17 | 137 | 154 | 13 | 6 | 5 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Unhealthy | Very unhealthy | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 4 | Good |
| Feb | 7 | Good |
| Mar | 6 | Good |
| Apr | 7 | Good |
| May | 6 | Good |
| Jun | 6 | Good |
| Jul | 17 | Moderate |
| Aug | 137 | Unhealthy |
| Sep | 154 | Very unhealthy |
| Oct | 13 | Moderate |
| Nov | 6 | Good |
| Dec | 5 | Good |
Where is McKinleyville?
McKinleyville sits at 40.9°N, 124.1°W, 144 ft above sea level, in United States. The nearest listed city is Arcata, 5.6 mi away.
Topography around McKinleyville
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of McKinleyville.
Within 2 miles, the terrain around McKinleyville has only modest variations in elevation — a maximum elevation change of 643 ft around an average of 180 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,038 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,415 ft.
The land around McKinleyville is covered by trees (50%) and grassland (23%) within 2 miles, trees (48%) and water (41%) within 10 miles, and trees (67%) and water (27%) 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 McKinleyville (40.9465°, -124.1006°, elevation 144 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. 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).