Isernia weather in March
In March, Isernia sees average daytime highs of 12°C and overnight lows near 3°C, with 106 mm of precipitation across 12.9 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 10°C in the first days to 13°C by the end. The sky is clear or mostly clear about 27% of the time in March, and the air most often feels dry.
Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Isernia's 10th-clearest and 1st-windiest month. For the whole year in context, see Isernia's year-round climate.
- Daytime high
- 12°
- 9th warmest
- Overnight low
- 3°
- 4th coldest
- Precipitation
- 106 mm
- 12.9 wet days
- Daylight
- 11 h 42 min
- 6:23 AM – 6:02 PM
- Cloud cover
- 61%
- 10th clearest
- Wind
- 6 km/h
- 1st windiest
- Solar energy
- 4.05 kWh/m²
- Travel score
- 2.9
- out of 10
- Air quality
- Excellent
- PM10 11.9 µg/m³ · 2018
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 10°C in the first days to 13°C by the end.
A typical March day in Isernia reaches about 12°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, March runs about 3°C warmer than February and about 3°C cooler than April.
| 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) | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg low (°C) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 10 | 2 |
| 2 | 10 | 2 |
| 3 | 10 | 2 |
| 4 | 10 | 2 |
| 5 | 11 | 2 |
| 6 | 11 | 2 |
| 7 | 11 | 2 |
| 8 | 11 | 2 |
| 9 | 11 | 2 |
| 10 | 11 | 2 |
| 11 | 11 | 2 |
| 12 | 11 | 3 |
| 13 | 11 | 3 |
| 14 | 12 | 3 |
| 15 | 12 | 3 |
| 16 | 12 | 3 |
| 17 | 12 | 3 |
| 18 | 12 | 3 |
| 19 | 12 | 3 |
| 20 | 12 | 3 |
| 21 | 12 | 3 |
| 22 | 12 | 3 |
| 23 | 13 | 4 |
| 24 | 13 | 4 |
| 25 | 13 | 4 |
| 26 | 13 | 4 |
| 27 | 13 | 4 |
| 28 | 13 | 4 |
| 29 | 13 | 4 |
| 30 | 13 | 4 |
| 31 | 13 | 4 |
How March really feels in Isernia
Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 4 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is cold — wind chill drags the overnight "feels like" below the raw low.
Isernia weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 0° | 88 | 10.6 | 2.4 | 9.3 | 1.3 |
| Feb | 9° / 1° | 92 | 11.1 | 2.8 | 10.3 | 1.6 |
| Mar | 12° / 3° | 106 | 12.9 | 2.2 | 11.7 | 2.9 |
| Apr | 15° / 6° | 108 | 14.2 | 0.3 | 13.1 | 4.1 |
| May | 19° / 10° | 89 | 12.9 | 0 | 14.3 | 5.8 |
| Jun | 24° / 14° | 62 | 10.2 | 0 | 15 | 7.1 |
| Jul | 26° / 16° | 43 | 8.3 | 0 | 14.7 | 7.4 |
| Aug | 27° / 16° | 36 | 8.3 | 0 | 13.7 | 7.3 |
| Sep | 22° / 13° | 79 | 10.4 | 0 | 12.3 | 6.8 |
| Oct | 18° / 9° | 111 | 10.4 | 0.1 | 10.9 | 5.8 |
| Nov | 13° / 5° | 150 | 12.5 | 0.8 | 9.7 | 3.4 |
| Dec | 9° / 2° | 121 | 12.4 | 2.4 | 9 | 1.7 |
Cloud cover in March
The sky is clear or mostly clear about 27% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 56%.
| 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 | 41 | 41 | 41 | 42 | 42 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 46 | 47 | 46 | 45 | 45 | 44 | 45 | 44 | 43 | 44 | 43 | 43 | 44 | 44 | 44 | 43 | 44 |
| Cloudier (%) | 58 | 59 | 59 | 59 | 58 | 58 | 56 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 54 | 53 | 54 | 55 | 55 | 56 | 55 | 56 | 57 | 56 | 57 | 57 | 56 | 56 | 56 | 57 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 42 | 58 |
| 2 | 41 | 59 |
| 3 | 41 | 59 |
| 4 | 41 | 59 |
| 5 | 42 | 58 |
| 6 | 42 | 58 |
| 7 | 44 | 56 |
| 8 | 44 | 56 |
| 9 | 44 | 56 |
| 10 | 44 | 56 |
| 11 | 45 | 55 |
| 12 | 45 | 55 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 46 | 54 |
| 16 | 47 | 53 |
| 17 | 46 | 54 |
| 18 | 45 | 55 |
| 19 | 45 | 55 |
| 20 | 44 | 56 |
| 21 | 45 | 55 |
| 22 | 44 | 56 |
| 23 | 43 | 57 |
| 24 | 44 | 56 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 44 | 56 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 43 | 57 |
| 31 | 44 | 56 |
Chance of precipitation in March
Isernia gets around 106 mm of rain and snow over 12.9 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 41% and peaks near 45% on the wettest days, and about 2 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 45 | 45 | 45 | 45 | 45 | 44 | 43 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 37 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 43 | 44 | 45 |
| Snow chance (%) | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 3 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 45 | 11 |
| 2 | 45 | 10 |
| 3 | 45 | 10 |
| 4 | 45 | 10 |
| 5 | 45 | 10 |
| 6 | 44 | 10 |
| 7 | 43 | 9 |
| 8 | 43 | 9 |
| 9 | 42 | 8 |
| 10 | 41 | 8 |
| 11 | 40 | 8 |
| 12 | 39 | 7 |
| 13 | 38 | 7 |
| 14 | 37 | 6 |
| 15 | 37 | 6 |
| 16 | 36 | 6 |
| 17 | 36 | 6 |
| 18 | 36 | 6 |
| 19 | 37 | 6 |
| 20 | 37 | 6 |
| 21 | 38 | 5 |
| 22 | 38 | 5 |
| 23 | 39 | 5 |
| 24 | 40 | 5 |
| 25 | 40 | 5 |
| 26 | 41 | 5 |
| 27 | 42 | 5 |
| 28 | 43 | 5 |
| 29 | 43 | 4 |
| 30 | 44 | 4 |
| 31 | 45 | 3 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in March
Winds average 6 km/h in March, the windiest month of the year.
Across March, daily wind ranges from about 6 km/h on the calmest days to 6 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) | 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 (km/h) | 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 March
Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 84 minutes over March. Sunrise moves from 6:48 AM to 5:57 AM, and sunset from 5:45 PM to 6:19 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) | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.2 | 11.2 | 11.3 | 11.3 | 11.4 | 11.4 | 11.5 | 11.5 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.4 |
| Sunrise (AM) | 6:48 | 6:46 | 6:45 | 6:43 | 6:41 | 6:40 | 6:38 | 6:37 | 6:35 | 6:33 | 6:32 | 6:30 | 6:28 | 6:27 | 6:25 | 6:23 | 6:21 | 6:20 | 6:18 | 6:16 | 6:14 | 6:13 | 6:11 | 6:09 | 6:07 | 6:06 | 6:04 | 6:02 | 6:00 | 5:59 | 5:57 |
| Sunset (PM) | 5:45 | 5:46 | 5:47 | 5:48 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:55 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:14 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:48 | 5:45 |
| 2 | 11.0 | 6:46 | 5:46 |
| 3 | 11.0 | 6:45 | 5:47 |
| 4 | 11.1 | 6:43 | 5:48 |
| 5 | 11.1 | 6:41 | 5:50 |
| 6 | 11.2 | 6:40 | 5:51 |
| 7 | 11.2 | 6:38 | 5:52 |
| 8 | 11.3 | 6:37 | 5:53 |
| 9 | 11.3 | 6:35 | 5:54 |
| 10 | 11.4 | 6:33 | 5:55 |
| 11 | 11.4 | 6:32 | 5:57 |
| 12 | 11.5 | 6:30 | 5:58 |
| 13 | 11.5 | 6:28 | 5:59 |
| 14 | 11.6 | 6:27 | 6:00 |
| 15 | 11.6 | 6:25 | 6:01 |
| 16 | 11.7 | 6:23 | 6:02 |
| 17 | 11.7 | 6:21 | 6:03 |
| 18 | 11.7 | 6:20 | 6:05 |
| 19 | 11.8 | 6:18 | 6:06 |
| 20 | 11.8 | 6:16 | 6:07 |
| 21 | 11.9 | 6:14 | 6:08 |
| 22 | 11.9 | 6:13 | 6:09 |
| 23 | 12.0 | 6:11 | 6:10 |
| 24 | 12.0 | 6:09 | 6:11 |
| 25 | 12.1 | 6:07 | 6:12 |
| 26 | 12.1 | 6:06 | 6:14 |
| 27 | 12.2 | 6:04 | 6:15 |
| 28 | 12.2 | 6:02 | 6:16 |
| 29 | 12.3 | 6:00 | 6:17 |
| 30 | 12.3 | 5:59 | 6:18 |
| 31 | 12.4 | 5:57 | 6:19 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.05 kWh/m².
For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 6.8 kWh/m² in July across the year — March's 4.05 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) | 3.4 | 3.4 | 3.5 | 3.5 | 3.5 | 3.6 | 3.6 | 3.7 | 3.7 | 3.8 | 3.8 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.4 | Moderate |
| 2 | 3.4 | Moderate |
| 3 | 3.5 | Moderate |
| 4 | 3.5 | Moderate |
| 5 | 3.5 | Moderate |
| 6 | 3.6 | Moderate |
| 7 | 3.6 | Moderate |
| 8 | 3.7 | Moderate |
| 9 | 3.7 | Moderate |
| 10 | 3.8 | Moderate |
| 11 | 3.8 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 4.0 | Moderate |
| 14 | 4.0 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.3 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.6 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.7 | Bright |
| 31 | 4.8 | Bright |
Is March a good time to visit Isernia?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Isernia.
What to pack for Isernia in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Isernia sees daytime highs around 12°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 13 days see rain.
Sea temperature near Isernia in March
The nearest coast averages about 14°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 60 km away) is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from May 27 to Nov 5 — about 5.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 14 | 16 | 19 | 22 | 25 | 26 | 24 | 22 | 19 | 17 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Isernia in March
Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Isernia peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 5 | 7 | 9 | 10 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | High | Moderate | Very high | Very high | Extreme | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 5 | Moderate |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Isernia in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Isernia is worst in April — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 19 | 20 | 21 | 22 | 18 | 16 | 16 | 16 | 14 | 16 | 16 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 20 | Moderate |
| Mar | 21 | Moderate |
| Apr | 22 | Moderate |
| May | 18 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 17 | Moderate |
Where is Isernia?
Isernia sits at 41.6°N, 14.2°E, 423 m above sea level, in Italy. The nearest listed city is Cassino, 36 km away.
Topography around Isernia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isernia.
Within 3 km, the terrain around Isernia has significant variations in elevation — a maximum elevation change of 398 m around an average of 468 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,340 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,771 m.
The land around Isernia is covered by trees (63%) within 3 km, trees (72%) and grassland (22%) within 16 km, and trees (51%) and cropland (21%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- 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 Isernia (41.596°, 14.234°, elevation 423 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).