Acharnés weather in December
In December, Acharnés sees average daytime highs of 14°C and overnight lows near 7°C, with 58 mm of precipitation across 7.8 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.
Highs ease over the month, from about 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 h 30 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Acharnés's 12th-clearest and 3rd-windiest month. For the whole year in context, see Acharnés's year-round climate.
- Daytime high
- 14°
- 10th warmest
- Overnight low
- 7°
- 3rd coldest
- Precipitation
- 58 mm
- 7.8 wet days
- Daylight
- 9 h 24 min
- 7:40 AM – 5:02 PM
- Cloud cover
- 57%
- 12th clearest
- Wind
- 10 km/h
- 3rd windiest
- Solar energy
- 1.9 kWh/m²
- Travel score
- 4.3
- out of 10
Acharnés is northern suburb of Athens, Greece.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 16°C in the first days to 13°C by the end.
A typical December day in Acharnés reaches about 14°C in the afternoon and slips back to 7°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.
| 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) | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg low (°C) | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 16 | 9 |
| 2 | 16 | 9 |
| 3 | 16 | 9 |
| 4 | 15 | 9 |
| 5 | 15 | 8 |
| 6 | 15 | 8 |
| 7 | 15 | 8 |
| 8 | 15 | 8 |
| 9 | 15 | 8 |
| 10 | 14 | 8 |
| 11 | 14 | 7 |
| 12 | 14 | 7 |
| 13 | 14 | 7 |
| 14 | 14 | 7 |
| 15 | 14 | 7 |
| 16 | 14 | 7 |
| 17 | 14 | 7 |
| 18 | 14 | 7 |
| 19 | 13 | 7 |
| 20 | 13 | 7 |
| 21 | 13 | 7 |
| 22 | 13 | 7 |
| 23 | 13 | 6 |
| 24 | 13 | 6 |
| 25 | 13 | 6 |
| 26 | 13 | 6 |
| 27 | 13 | 6 |
| 28 | 13 | 6 |
| 29 | 13 | 6 |
| 30 | 13 | 6 |
| 31 | 13 | 6 |
How December really feels in Acharnés
Once humidity and wind are folded in, December 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.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Acharnés weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 13° / 6° | 52 | 7.3 | 0.6 | 9.7 | 3.7 |
| Feb | 14° / 6° | 47 | 7.2 | 0.6 | 10.5 | 4.2 |
| Mar | 16° / 8° | 49 | 6.4 | 0.2 | 11.7 | 5.8 |
| Apr | 21° / 11° | 29 | 5.4 | 0 | 13 | 7.3 |
| May | 26° / 15° | 23 | 4.9 | 0 | 14 | 7.9 |
| Jun | 31° / 20° | 11 | 2.5 | 0 | 14.6 | 5.8 |
| Jul | 33° / 22° | 6 | 1.3 | 0 | 14.4 | 4.7 |
| Aug | 33° / 22° | 4 | 1.1 | 0 | 13.5 | 4.9 |
| Sep | 29° / 19° | 15 | 2.5 | 0 | 12.3 | 7.1 |
| Oct | 24° / 15° | 27 | 3.9 | 0 | 11 | 8.1 |
| Nov | 18° / 11° | 45 | 6.6 | 0 | 9.9 | 6.4 |
| Dec | 14° / 7° | 58 | 7.8 | 0.4 | 9.4 | 4.3 |
Cloud cover in December
The sky is clear or mostly clear about 34% of the time in December, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 50%.
| 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 (%) | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 49 | 50 | 51 | 51 | 52 |
| Cloudier (%) | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 51 | 50 | 49 | 49 | 48 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 50 | 50 |
| 4 | 50 | 50 |
| 5 | 50 | 50 |
| 6 | 50 | 50 |
| 7 | 50 | 50 |
| 8 | 51 | 49 |
| 9 | 51 | 49 |
| 10 | 51 | 49 |
| 11 | 51 | 49 |
| 12 | 51 | 49 |
| 13 | 51 | 49 |
| 14 | 51 | 49 |
| 15 | 51 | 49 |
| 16 | 50 | 50 |
| 17 | 50 | 50 |
| 18 | 49 | 51 |
| 19 | 49 | 51 |
| 20 | 49 | 51 |
| 21 | 49 | 51 |
| 22 | 49 | 51 |
| 23 | 49 | 51 |
| 24 | 49 | 51 |
| 25 | 49 | 51 |
| 26 | 50 | 50 |
| 27 | 49 | 51 |
| 28 | 50 | 50 |
| 29 | 51 | 49 |
| 30 | 51 | 49 |
| 31 | 52 | 48 |
Chance of precipitation in December
Acharnés gets around 58 mm of rain and snow over 7.8 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 26% and peaks near 28% on the wettest days, and about 0 day brings 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 |
| Snow chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 26 | 1 |
| 2 | 26 | 1 |
| 3 | 26 | 1 |
| 4 | 26 | 1 |
| 5 | 26 | 1 |
| 6 | 25 | 1 |
| 7 | 25 | 2 |
| 8 | 25 | 2 |
| 9 | 25 | 2 |
| 10 | 25 | 2 |
| 11 | 25 | 2 |
| 12 | 25 | 2 |
| 13 | 25 | 2 |
| 14 | 25 | 2 |
| 15 | 24 | 2 |
| 16 | 24 | 1 |
| 17 | 24 | 1 |
| 18 | 25 | 1 |
| 19 | 25 | 1 |
| 20 | 25 | 1 |
| 21 | 25 | 1 |
| 22 | 25 | 1 |
| 23 | 26 | 1 |
| 24 | 26 | 1 |
| 25 | 26 | 1 |
| 26 | 27 | 2 |
| 27 | 27 | 2 |
| 28 | 27 | 2 |
| 29 | 28 | 2 |
| 30 | 28 | 2 |
| 31 | 28 | 2 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 97% 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 (%) | 90 | 91 | 92 | 92 | 93 | 94 | 94 | 96 | 97 | 97 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 |
| Comfortable (%) | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 90 | 9 | 1 |
| 2 | 91 | 8 | 1 |
| 3 | 92 | 7 | 1 |
| 4 | 92 | 7 | 1 |
| 5 | 93 | 6 | 1 |
| 6 | 94 | 5 | 1 |
| 7 | 94 | 5 | 1 |
| 8 | 96 | 4 | 0 |
| 9 | 97 | 3 | 0 |
| 10 | 97 | 3 | 0 |
| 11 | 98 | 2 | 0 |
| 12 | 98 | 2 | 0 |
| 13 | 99 | 1 | 0 |
| 14 | 99 | 1 | 0 |
| 15 | 99 | 1 | 0 |
| 16 | 99 | 1 | 0 |
| 17 | 99 | 1 | 0 |
| 18 | 99 | 1 | 0 |
| 19 | 99 | 1 | 0 |
| 20 | 99 | 1 | 0 |
| 21 | 98 | 2 | 0 |
| 22 | 98 | 2 | 0 |
| 23 | 98 | 2 | 0 |
| 24 | 98 | 2 | 0 |
| 25 | 98 | 2 | 0 |
| 26 | 98 | 2 | 0 |
| 27 | 98 | 2 | 0 |
| 28 | 98 | 2 | 0 |
| 29 | 98 | 2 | 0 |
| 30 | 98 | 2 | 0 |
| 31 | 98 | 2 | 0 |
Wind in December
Winds average 10 km/h in December.
Across December, daily wind ranges from about 10 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in December
Daylight runs from about 9 h 30 min at the start of December to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 7:28 AM to 7:47 AM, and sunset from 5:01 PM to 5:10 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) | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 |
| Sunrise (AM) | 7:28 | 7:29 | 7:30 | 7:31 | 7:32 | 7:33 | 7:34 | 7:34 | 7:35 | 7:36 | 7:37 | 7:37 | 7:38 | 7:39 | 7:40 | 7:40 | 7:41 | 7:41 | 7:42 | 7:42 | 7:43 | 7:43 | 7:44 | 7:44 | 7:45 | 7:45 | 7:45 | 7:46 | 7:46 | 7:46 | 7:47 |
| Sunset (PM) | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:02 | 5:02 | 5:02 | 5:02 | 5:03 | 5:03 | 5:03 | 5:04 | 5:04 | 5:05 | 5:05 | 5:06 | 5:06 | 5:07 | 5:07 | 5:08 | 5:09 | 5:09 | 5:10 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.5 | 7:28 | 5:01 |
| 2 | 9.5 | 7:29 | 5:01 |
| 3 | 9.5 | 7:30 | 5:01 |
| 4 | 9.5 | 7:31 | 5:01 |
| 5 | 9.5 | 7:32 | 5:01 |
| 6 | 9.5 | 7:33 | 5:01 |
| 7 | 9.5 | 7:34 | 5:01 |
| 8 | 9.4 | 7:34 | 5:01 |
| 9 | 9.4 | 7:35 | 5:01 |
| 10 | 9.4 | 7:36 | 5:01 |
| 11 | 9.4 | 7:37 | 5:01 |
| 12 | 9.4 | 7:37 | 5:01 |
| 13 | 9.4 | 7:38 | 5:02 |
| 14 | 9.4 | 7:39 | 5:02 |
| 15 | 9.4 | 7:40 | 5:02 |
| 16 | 9.4 | 7:40 | 5:02 |
| 17 | 9.4 | 7:41 | 5:03 |
| 18 | 9.4 | 7:41 | 5:03 |
| 19 | 9.4 | 7:42 | 5:03 |
| 20 | 9.4 | 7:42 | 5:04 |
| 21 | 9.4 | 7:43 | 5:04 |
| 22 | 9.4 | 7:43 | 5:05 |
| 23 | 9.4 | 7:44 | 5:05 |
| 24 | 9.4 | 7:44 | 5:06 |
| 25 | 9.4 | 7:45 | 5:06 |
| 26 | 9.4 | 7:45 | 5:07 |
| 27 | 9.4 | 7:45 | 5:07 |
| 28 | 9.4 | 7:46 | 5:08 |
| 29 | 9.4 | 7:46 | 5:09 |
| 30 | 9.4 | 7:46 | 5:09 |
| 31 | 9.4 | 7:47 | 5:10 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 1.9 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 7.5 kWh/m² in June across the year — December's 1.9 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) | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 2.0 |
| Level | Moderate | Moderate | Moderate | 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 | 2.0 | Moderate |
| 2 | 2.0 | Moderate |
| 3 | 2.0 | Moderate |
| 4 | 2.0 | Dim |
| 5 | 2.0 | Dim |
| 6 | 2.0 | Dim |
| 7 | 1.9 | Dim |
| 8 | 1.9 | Dim |
| 9 | 1.9 | Dim |
| 10 | 1.9 | Dim |
| 11 | 1.9 | Dim |
| 12 | 1.9 | Dim |
| 13 | 1.9 | Dim |
| 14 | 1.9 | Dim |
| 15 | 1.9 | Dim |
| 16 | 1.9 | Dim |
| 17 | 1.9 | Dim |
| 18 | 1.9 | Dim |
| 19 | 1.9 | Dim |
| 20 | 1.9 | Dim |
| 21 | 1.9 | Dim |
| 22 | 1.9 | Dim |
| 23 | 1.9 | Dim |
| 24 | 1.9 | Dim |
| 25 | 1.9 | Dim |
| 26 | 1.9 | Dim |
| 27 | 1.9 | Dim |
| 28 | 1.9 | Dim |
| 29 | 1.9 | Dim |
| 30 | 1.9 | Dim |
| 31 | 2.0 | Dim |
Is December a good time to visit Acharnés?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Acharnés for sightseeing.
What to pack for Acharnés in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Acharnés sees daytime highs around 14°C and nights near 7°C. Worth packing: a warm layer. About 8 days see rain.
Sea temperature near Acharnés in December
The nearest coast averages about 17°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in August at about 26°C and coldest in February near 15°C.
It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 16 | 19 | 22 | 25 | 26 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 17 | Cool |
UV index in Acharnés in December
Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Acharnés peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 | 7 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Acharnés in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Acharnés is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 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) | 10 | 12 | 15 | 14 | 13 | 11 | 14 | 19 | 9 | 9 | 9 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 15 | Moderate |
| Apr | 14 | Moderate |
| May | 13 | Moderate |
| Jun | 11 | Good |
| Jul | 14 | Moderate |
| Aug | 19 | Moderate |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Acharnés?
Acharnés sits at 38.1°N, 23.7°E, 171 m above sea level, in Greece. The nearest listed city is Áno Liósia, 3.0 km away.
Topography around Acharnés
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Acharnés.
Within 3 km, the terrain around Acharnés has significant variations in elevation — a maximum elevation change of 300 m around an average of 185 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,398 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.
The land around Acharnés is covered by artificial surfaces (73%) within 3 km, trees (38%) and artificial surfaces (35%) within 16 km, and water (51%) and trees (22%) within 80 km.
Greece travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $26,948
- 2025
- Happiness
- 5.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.8
- per 100k, 2023
- Road deaths
- 8.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 592
- 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 Acharnés (38.0833°, 23.7333°, elevation 171 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. 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).