Millburn weather in May
In May, Millburn sees average daytime highs of 70°F and overnight lows near 54°F, with 3.6 in of rain across 11.7 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 66°F in the first days to 74°F by the end. The sky is clear or mostly clear about 25% 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 Millburn's 12th-clearest and 8th-windiest month. For the whole year in context, see Millburn's year-round climate.
- Daytime high
- 70°
- 5th warmest
- Overnight low
- 54°
- 8th coldest
- Rainfall
- 3.6 in
- 11.7 wet days
- Daylight
- 14 h 18 min
- 4:46 AM – 7:01 PM
- Cloud cover
- 64%
- 12th clearest
- Wind
- 7 mph
- 8th windiest
- Solar energy
- 5.51 kWh/m²
- Travel score
- 6.2
- out of 10
Temperature in May
Highs climb over the month, from about 66°F in the first days to 74°F by the end.
A typical May day in Millburn reaches about 70°F in the afternoon and slips back to 54°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 81°F. Set against its neighbours, May runs about 10°F warmer than April and about 9°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) | 65 | 65 | 65 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 69 | 69 | 69 | 70 | 70 | 70 | 71 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 74 | 74 | 74 | 75 |
| Avg low (°F) | 49 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 55 | 55 | 55 | 56 | 56 | 56 | 57 | 57 | 58 | 58 | 58 | 59 | 59 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 65 | 49 |
| 2 | 65 | 50 |
| 3 | 65 | 50 |
| 4 | 66 | 50 |
| 5 | 66 | 51 |
| 6 | 66 | 51 |
| 7 | 67 | 51 |
| 8 | 67 | 51 |
| 9 | 67 | 52 |
| 10 | 67 | 52 |
| 11 | 68 | 52 |
| 12 | 68 | 53 |
| 13 | 68 | 53 |
| 14 | 69 | 53 |
| 15 | 69 | 53 |
| 16 | 69 | 54 |
| 17 | 70 | 54 |
| 18 | 70 | 54 |
| 19 | 70 | 55 |
| 20 | 71 | 55 |
| 21 | 71 | 55 |
| 22 | 71 | 56 |
| 23 | 72 | 56 |
| 24 | 72 | 56 |
| 25 | 73 | 57 |
| 26 | 73 | 57 |
| 27 | 73 | 58 |
| 28 | 74 | 58 |
| 29 | 74 | 58 |
| 30 | 74 | 59 |
| 31 | 75 | 59 |
How May really feels in Millburn
Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Millburn weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 38° / 25° | 3.4 | 9.2 | 4.6 | 9.4 | 0.0 |
| Feb | 40° / 26° | 3.1 | 8.4 | 3.9 | 10.4 | 0.1 |
| Mar | 48° / 34° | 4.2 | 10.2 | 3.5 | 11.7 | 1.8 |
| Apr | 60° / 44° | 3.7 | 10.8 | 0.4 | 13.1 | 4.6 |
| May | 70° / 54° | 3.6 | 11.7 | 0 | 14.2 | 6.2 |
| Jun | 79° / 64° | 4.1 | 11.2 | 0 | 14.9 | 6.4 |
| Jul | 84° / 69° | 4.2 | 11 | 0 | 14.6 | 5.4 |
| Aug | 82° / 68° | 4.0 | 10.7 | 0 | 13.6 | 6.1 |
| Sep | 75° / 60° | 4.0 | 9.4 | 0 | 12.3 | 6.9 |
| Oct | 64° / 49° | 3.9 | 8.7 | 0.1 | 10.9 | 5.8 |
| Nov | 52° / 39° | 3.1 | 8.2 | 0.5 | 9.7 | 3.0 |
| Dec | 43° / 31° | 4.0 | 9.7 | 3 | 9.1 | 0.5 |
Cloud cover in May
The sky is clear or mostly clear about 25% of the time in May, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 58%.
| 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 (%) | 42 | 42 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 42 | 41 | 41 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 40 | 41 | 41 | 41 | 43 | 43 | 43 | 43 | 44 | 44 | 44 |
| Cloudier (%) | 58 | 58 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 58 | 59 | 59 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 60 | 59 | 59 | 59 | 57 | 57 | 57 | 57 | 56 | 56 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 42 | 58 |
| 2 | 42 | 58 |
| 3 | 41 | 59 |
| 4 | 42 | 58 |
| 5 | 42 | 58 |
| 6 | 42 | 58 |
| 7 | 42 | 58 |
| 8 | 42 | 58 |
| 9 | 42 | 58 |
| 10 | 43 | 57 |
| 11 | 42 | 58 |
| 12 | 41 | 59 |
| 13 | 41 | 59 |
| 14 | 42 | 58 |
| 15 | 42 | 58 |
| 16 | 41 | 59 |
| 17 | 41 | 59 |
| 18 | 41 | 59 |
| 19 | 41 | 59 |
| 20 | 41 | 59 |
| 21 | 40 | 60 |
| 22 | 41 | 59 |
| 23 | 41 | 59 |
| 24 | 41 | 59 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 43 | 57 |
| 28 | 43 | 57 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Chance of precipitation in May
Millburn gets around 3.6 in of rain over 11.7 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 37% and peaks near 38% 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 (%) | 35 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 37 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 35 |
| 3 | 35 |
| 4 | 36 |
| 5 | 36 |
| 6 | 36 |
| 7 | 37 |
| 8 | 37 |
| 9 | 37 |
| 10 | 37 |
| 11 | 38 |
| 12 | 38 |
| 13 | 38 |
| 14 | 38 |
| 15 | 38 |
| 16 | 38 |
| 17 | 38 |
| 18 | 38 |
| 19 | 38 |
| 20 | 38 |
| 21 | 38 |
| 22 | 38 |
| 23 | 38 |
| 24 | 38 |
| 25 | 38 |
| 26 | 38 |
| 27 | 38 |
| 28 | 38 |
| 29 | 38 |
| 30 | 38 |
| 31 | 37 |
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 70% 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 (%) | 88 | 88 | 87 | 86 | 85 | 84 | 82 | 82 | 81 | 79 | 78 | 77 | 76 | 76 | 74 | 73 | 72 | 70 | 68 | 66 | 64 | 62 | 60 | 58 | 57 | 55 | 54 | 52 | 50 | 49 | 47 |
| Comfortable (%) | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 |
| Humid (%) | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 22 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 88 | 9 | 3 | 0 | 0 |
| 2 | 88 | 9 | 3 | 0 | 0 |
| 3 | 87 | 10 | 3 | 0 | 0 |
| 4 | 86 | 11 | 3 | 0 | 0 |
| 5 | 85 | 11 | 4 | 0 | 0 |
| 6 | 84 | 12 | 4 | 0 | 0 |
| 7 | 82 | 13 | 5 | 0 | 0 |
| 8 | 82 | 13 | 5 | 0 | 0 |
| 9 | 81 | 14 | 5 | 0 | 0 |
| 10 | 79 | 14 | 6 | 1 | 0 |
| 11 | 78 | 15 | 6 | 1 | 0 |
| 12 | 77 | 15 | 7 | 1 | 0 |
| 13 | 76 | 15 | 8 | 1 | 0 |
| 14 | 76 | 15 | 8 | 1 | 0 |
| 15 | 74 | 16 | 9 | 1 | 0 |
| 16 | 73 | 16 | 9 | 2 | 0 |
| 17 | 72 | 16 | 10 | 2 | 0 |
| 18 | 70 | 17 | 11 | 2 | 0 |
| 19 | 68 | 17 | 12 | 3 | 0 |
| 20 | 66 | 18 | 13 | 3 | 0 |
| 21 | 64 | 18 | 14 | 4 | 0 |
| 22 | 62 | 18 | 15 | 5 | 0 |
| 23 | 60 | 19 | 16 | 5 | 0 |
| 24 | 58 | 19 | 17 | 6 | 0 |
| 25 | 57 | 19 | 18 | 6 | 0 |
| 26 | 55 | 19 | 19 | 7 | 0 |
| 27 | 54 | 19 | 19 | 7 | 0 |
| 28 | 52 | 20 | 20 | 8 | 0 |
| 29 | 50 | 20 | 21 | 8 | 1 |
| 30 | 49 | 21 | 21 | 9 | 1 |
| 31 | 47 | 21 | 22 | 10 | 1 |
Wind in May
Winds average 7 mph in May.
Across May, daily wind ranges from about 7 mph on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | 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 5:03 AM to 4:34 AM, and sunset from 6:46 PM to 7:15 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 | 13.9 | 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 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.7 |
| Sunrise (AM) | 5:03 | 5:02 | 5:00 | 4:59 | 4:58 | 4:57 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:49 | 4:48 | 4:47 | 4:46 | 4:45 | 4:44 | 4:43 | 4:42 | 4:41 | 4:40 | 4:40 | 4:39 | 4:38 | 4:37 | 4:37 | 4:36 | 4:36 | 4:35 | 4:34 |
| Sunset (PM) | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 | 7:11 | 7:12 | 7:13 | 7:14 | 7:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.7 | 5:03 | 6:46 |
| 2 | 13.8 | 5:02 | 6:47 |
| 3 | 13.8 | 5:00 | 6:48 |
| 4 | 13.8 | 4:59 | 6:49 |
| 5 | 13.9 | 4:58 | 6:50 |
| 6 | 13.9 | 4:57 | 6:51 |
| 7 | 13.9 | 4:55 | 6:52 |
| 8 | 14.0 | 4:54 | 6:53 |
| 9 | 14.0 | 4:53 | 6:54 |
| 10 | 14.1 | 4:52 | 6:55 |
| 11 | 14.1 | 4:51 | 6:56 |
| 12 | 14.1 | 4:50 | 6:57 |
| 13 | 14.2 | 4:49 | 6:58 |
| 14 | 14.2 | 4:48 | 6:59 |
| 15 | 14.2 | 4:47 | 7:00 |
| 16 | 14.3 | 4:46 | 7:01 |
| 17 | 14.3 | 4:45 | 7:02 |
| 18 | 14.3 | 4:44 | 7:03 |
| 19 | 14.4 | 4:43 | 7:04 |
| 20 | 14.4 | 4:42 | 7:05 |
| 21 | 14.4 | 4:41 | 7:06 |
| 22 | 14.4 | 4:40 | 7:07 |
| 23 | 14.5 | 4:40 | 7:08 |
| 24 | 14.5 | 4:39 | 7:09 |
| 25 | 14.5 | 4:38 | 7:10 |
| 26 | 14.6 | 4:37 | 7:11 |
| 27 | 14.6 | 4:37 | 7:11 |
| 28 | 14.6 | 4:36 | 7:12 |
| 29 | 14.6 | 4:36 | 7:13 |
| 30 | 14.6 | 4:35 | 7:14 |
| 31 | 14.7 | 4:34 | 7:15 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.51 kWh/m².
For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 5.92 kWh/m² in June across the year — May's 5.51 kWh/m² sits near the top of that range.
| 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) | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 |
| 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 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.3 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.4 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.6 | Bright |
| 24 | 5.7 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Millburn
None of Millburn's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Millburn sits in the Atlantic hurricane belt; the season peaks August–October.
Is May a good time to visit Millburn?
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 Millburn for sightseeing.
What to pack for Millburn in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Millburn sees daytime highs around 70°F and nights near 54°F. Worth packing: rain gear and sun protection. About 12 days see rain.
Sea temperature near Millburn in May
The nearest coast averages about 55°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 24 mi away) is warmest in August at about 74°F and coldest in February near 40°F.
It's comfortable for a long swim from Jun 30 to Sep 26 — about 2.9 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 43 | 40 | 41 | 46 | 55 | 65 | 72 | 74 | 71 | 63 | 55 | 48 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 43 | Bracing |
| Feb | 40 | Bracing |
| Mar | 41 | Bracing |
| Apr | 46 | Bracing |
| May | 55 | Bracing |
| Jun | 65 | Cool |
| Jul | 72 | Refreshing |
| Aug | 74 | Refreshing |
| Sep | 71 | Refreshing |
| Oct | 63 | Cool |
| Nov | 55 | Bracing |
| Dec | 48 | Bracing |
UV index in Millburn in May
Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Millburn peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (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 | 7 | 8 | 8 | 6 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Millburn 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 Millburn is worst in July — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (November, 10 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) | 12 | 15 | 16 | 16 | 17 | 17 | 18 | 16 | 14 | 11 | 10 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 15 | Moderate |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 17 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 12 | Good |
Where is Millburn?
Millburn sits at 40.7°N, 74.3°W, 144 ft above sea level, in United States. The nearest listed city is Maplewood, 1.9 mi away.
Topography around Millburn
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Millburn.
Within 2 miles, the terrain around Millburn has only modest variations in elevation — a maximum elevation change of 545 ft around an average of 253 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 764 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,008 ft.
The land around Millburn is covered by trees (74%) and artificial surfaces (22%) within 2 miles, trees (58%) and artificial surfaces (30%) within 10 miles, and trees (60%) 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 Millburn (40.7248°, -74.304°, 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. 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).