Butterfly weather in July
In July, Butterfly sees average daytime highs of 31°C and overnight lows near 27°C, with 243 mm of rain across 22.1 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 17% of the time in July, and the air most often feels miserable.
Daylight stretches from about 13 h 24 min at the start of July to 13 h 06 min by month's end. Set against the rest of the year, July is Butterfly's 10th-clearest and 5th-windiest month. For the whole year in context, see Butterfly's year-round climate.
- Daytime high
- 31°
- 1st warmest
- Overnight low
- 27°
- 12th coldest
- Rainfall
- 243 mm
- 22.1 wet days
- Daylight
- 13 h 12 min
- 5:52 AM – 7:07 PM
- Cloud cover
- 75%
- 10th clearest
- Wind
- 12 km/h
- 5th windiest
- Solar energy
- 5.5 kWh/m²
- Travel score
- 3.1
- out of 10
Temperature in July
Day-to-day highs hold fairly steady near 31°C through the month.
A typical July day in Butterfly reaches about 31°C in the afternoon and slips back to 27°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, July runs about 1°C warmer than June and on par with August.
| 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) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 27 |
| 2 | 31 | 27 |
| 3 | 31 | 27 |
| 4 | 31 | 27 |
| 5 | 31 | 27 |
| 6 | 31 | 27 |
| 7 | 31 | 27 |
| 8 | 31 | 27 |
| 9 | 31 | 27 |
| 10 | 31 | 27 |
| 11 | 31 | 27 |
| 12 | 31 | 27 |
| 13 | 31 | 27 |
| 14 | 31 | 27 |
| 15 | 31 | 27 |
| 16 | 31 | 27 |
| 17 | 31 | 27 |
| 18 | 31 | 27 |
| 19 | 31 | 27 |
| 20 | 31 | 27 |
| 21 | 31 | 27 |
| 22 | 31 | 27 |
| 23 | 31 | 27 |
| 24 | 31 | 27 |
| 25 | 31 | 27 |
| 26 | 31 | 27 |
| 27 | 31 | 27 |
| 28 | 31 | 27 |
| 29 | 31 | 27 |
| 30 | 31 | 27 |
| 31 | 31 | 27 |
How July really feels in Butterfly
Once humidity and wind are folded in, July averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Butterfly weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 13° | 32 | 5.5 | 10.8 | 6.9 |
| Feb | 20° / 15° | 43 | 7.8 | 11.2 | 6.4 |
| Mar | 22° / 17° | 75 | 11.4 | 11.8 | 6.3 |
| Apr | 26° / 21° | 125 | 13.8 | 12.5 | 5.8 |
| May | 29° / 24° | 229 | 19.1 | 13.1 | 4.4 |
| Jun | 30° / 26° | 319 | 22.9 | 13.3 | 3.2 |
| Jul | 31° / 27° | 243 | 22.1 | 13.2 | 3.1 |
| Aug | 31° / 27° | 313 | 23.6 | 12.8 | 3.1 |
| Sep | 30° / 26° | 199 | 16.6 | 12.1 | 4.1 |
| Oct | 28° / 23° | 61 | 6.7 | 11.5 | 6.7 |
| Nov | 25° / 19° | 34 | 4.9 | 10.9 | 7.9 |
| Dec | 21° / 15° | 31 | 4.2 | 10.7 | 7.5 |
Cloud cover in July
The sky is clear or mostly clear about 17% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 72%.
| 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 (%) | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 32 | 32 | 32 | 32 | 32 | 33 | 33 |
| Cloudier (%) | 75 | 75 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 74 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 71 | 71 | 70 | 70 | 70 | 68 | 68 | 68 | 68 | 68 | 67 | 67 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 25 | 75 |
| 2 | 25 | 75 |
| 3 | 26 | 74 |
| 4 | 26 | 74 |
| 5 | 26 | 74 |
| 6 | 26 | 74 |
| 7 | 25 | 75 |
| 8 | 25 | 75 |
| 9 | 25 | 75 |
| 10 | 25 | 75 |
| 11 | 25 | 75 |
| 12 | 26 | 74 |
| 13 | 27 | 73 |
| 14 | 27 | 73 |
| 15 | 27 | 73 |
| 16 | 27 | 73 |
| 17 | 28 | 72 |
| 18 | 28 | 72 |
| 19 | 28 | 72 |
| 20 | 29 | 71 |
| 21 | 29 | 71 |
| 22 | 30 | 70 |
| 23 | 30 | 70 |
| 24 | 30 | 70 |
| 25 | 32 | 68 |
| 26 | 32 | 68 |
| 27 | 32 | 68 |
| 28 | 32 | 68 |
| 29 | 32 | 68 |
| 30 | 33 | 67 |
| 31 | 33 | 67 |
Chance of precipitation in July
Butterfly gets around 243 mm of rain over 22.1 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 72% and peaks near 74% 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 (%) | 74 | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 72 |
| Rain chance (%) | |
|---|---|
| 1 | 74 |
| 2 | 73 |
| 3 | 72 |
| 4 | 72 |
| 5 | 72 |
| 6 | 71 |
| 7 | 71 |
| 8 | 71 |
| 9 | 71 |
| 10 | 71 |
| 11 | 71 |
| 12 | 71 |
| 13 | 72 |
| 14 | 72 |
| 15 | 72 |
| 16 | 72 |
| 17 | 72 |
| 18 | 72 |
| 19 | 72 |
| 20 | 72 |
| 21 | 72 |
| 22 | 72 |
| 23 | 71 |
| 24 | 71 |
| 25 | 71 |
| 26 | 71 |
| 27 | 71 |
| 28 | 71 |
| 29 | 71 |
| 30 | 71 |
| 31 | 72 |
Humidity in July
Most of July feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the miserable band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Miserable (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 1 | 99 |
| 2 | 1 | 99 |
| 3 | 1 | 99 |
| 4 | 1 | 99 |
| 5 | 1 | 99 |
| 6 | 1 | 99 |
| 7 | 1 | 99 |
| 8 | 1 | 99 |
| 9 | 1 | 99 |
| 10 | 1 | 99 |
| 11 | 1 | 99 |
| 12 | 1 | 99 |
| 13 | 1 | 99 |
| 14 | 1 | 99 |
| 15 | 1 | 99 |
| 16 | 1 | 99 |
| 17 | 1 | 99 |
| 18 | 0 | 100 |
| 19 | 0 | 100 |
| 20 | 0 | 100 |
| 21 | 0 | 100 |
| 22 | 0 | 100 |
| 23 | 0 | 100 |
| 24 | 0 | 100 |
| 25 | 0 | 100 |
| 26 | 1 | 99 |
| 27 | 1 | 99 |
| 28 | 1 | 99 |
| 29 | 1 | 99 |
| 30 | 1 | 99 |
| 31 | 1 | 99 |
Wind in July
Winds average 12 km/h in July.
Across July, daily wind ranges from about 11 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | calm |
| 26 | 12 | calm |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 11 | calm |
Sunrise & sunset in July
Daylight runs from about 13 h 24 min at the start of July to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over July. Sunrise moves from 5:47 AM to 5:59 AM, and sunset from 7:08 PM to 7:02 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) | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 |
| Sunrise (AM) | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:52 | 5:52 | 5:52 | 5:53 | 5:53 | 5:54 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 |
| Sunset (PM) | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:08 | 7:07 | 7:07 | 7:07 | 7:07 | 7:06 | 7:06 | 7:06 | 7:06 | 7:05 | 7:05 | 7:05 | 7:04 | 7:04 | 7:03 | 7:03 | 7:02 | 7:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 5:47 | 7:08 |
| 2 | 13.4 | 5:47 | 7:08 |
| 3 | 13.3 | 5:47 | 7:08 |
| 4 | 13.3 | 5:48 | 7:08 |
| 5 | 13.3 | 5:48 | 7:08 |
| 6 | 13.3 | 5:49 | 7:08 |
| 7 | 13.3 | 5:49 | 7:08 |
| 8 | 13.3 | 5:49 | 7:08 |
| 9 | 13.3 | 5:50 | 7:08 |
| 10 | 13.3 | 5:50 | 7:08 |
| 11 | 13.3 | 5:50 | 7:08 |
| 12 | 13.3 | 5:51 | 7:08 |
| 13 | 13.3 | 5:51 | 7:08 |
| 14 | 13.3 | 5:52 | 7:08 |
| 15 | 13.3 | 5:52 | 7:07 |
| 16 | 13.2 | 5:52 | 7:07 |
| 17 | 13.2 | 5:53 | 7:07 |
| 18 | 13.2 | 5:53 | 7:07 |
| 19 | 13.2 | 5:54 | 7:06 |
| 20 | 13.2 | 5:54 | 7:06 |
| 21 | 13.2 | 5:54 | 7:06 |
| 22 | 13.2 | 5:55 | 7:06 |
| 23 | 13.2 | 5:55 | 7:05 |
| 24 | 13.2 | 5:56 | 7:05 |
| 25 | 13.1 | 5:56 | 7:05 |
| 26 | 13.1 | 5:57 | 7:04 |
| 27 | 13.1 | 5:57 | 7:04 |
| 28 | 13.1 | 5:57 | 7:03 |
| 29 | 13.1 | 5:58 | 7:03 |
| 30 | 13.1 | 5:58 | 7:02 |
| 31 | 13.1 | 5:59 | 7:02 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.5 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.38 kWh/m² to a high of 5.5 kWh/m² in July across the year — July's 5.5 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) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| 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 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | 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 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.4 | Bright |
| 25 | 5.4 | Bright |
| 26 | 5.4 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Butterfly
In July, Butterfly sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Butterfly sits in the Pacific typhoon belt; the season peaks July–October.
Butterfly's monsoon runs May–September, when most of the year's rain falls.
Is July a good time to visit Butterfly?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Butterfly.
What to pack for Butterfly in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Butterfly sees daytime highs around 31°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.
Sea temperature near Butterfly in July
The nearest coast averages about 29°C in July — 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 29°C and coldest in February near 19°C.
It's comfortable for a long swim from Mar 18 to Dec 18 — about 9.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 19 | 20 | 23 | 26 | 28 | 29 | 29 | 28 | 27 | 24 | 20 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 19 | Cool |
| Mar | 20 | Cool |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 27 | Warm |
| Nov | 24 | Refreshing |
| Dec | 20 | Refreshing |
UV index in Butterfly in July
Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Butterfly peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 6 (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) | 6 | 8 | 9 | 9 | 10 | 12 | 12 | 11 | 10 | 8 | 7 | 6 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Butterfly in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Butterfly is worst in January — around 183 µg/m³ PM2.5 (very unhealthy), about 2.5× the cleanest month (July, 73 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) | 183 | 175 | 165 | 149 | 115 | 83 | 73 | 85 | 119 | 127 | 157 | 156 |
| Level | Very unhealthy | Very unhealthy | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 183 | Very unhealthy |
| Feb | 175 | Very unhealthy |
| Mar | 165 | Very unhealthy |
| Apr | 149 | Unhealthy |
| May | 115 | Unhealthy |
| Jun | 83 | Unhealthy |
| Jul | 73 | Unhealthy |
| Aug | 85 | Unhealthy |
| Sep | 119 | Unhealthy |
| Oct | 127 | Unhealthy |
| Nov | 157 | Very unhealthy |
| Dec | 156 | Very unhealthy |
Where is Butterfly?
Butterfly sits at 22.4°N, 114.0°E, 8 m above sea level, in Hong Kong. The nearest listed city is Sam Shing, 2.0 km away.
Topography around Butterfly
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Butterfly.
Within 3 km, the terrain around Butterfly has significant variations in elevation — a maximum elevation change of 554 m around an average of 73 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 917 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.
The land around Butterfly is covered by water (39%) and trees (30%) within 3 km, water (51%) and trees (30%) within 16 km, and water (57%) and trees (22%) within 80 km.
Hong Kong travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 220 V · 50 Hz
- Prices
- ≈ 71% of US
- price level, 2025
- GDP per capita
- $56,983
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.4
- per 100k, 2023
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 538
- 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 Butterfly (22.3759°, 113.9625°, elevation 8 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).