Weather in Formia on 31 July 2026
Preliminary outlook for 31 July 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +30°C and nighttime around +24°C, average precipitation 0 mm, wind around 3 m/s, humidity around 65%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+23°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 217° ↙ (SW) |
Sunrise
06:00
Duration
14 h 23 min
Sunset
20:23
Moonrise
13:14
Moonset
23:33
Moon phase
Waxing Crescent
Illumination
36%
+28°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +26°C
Sea temperature: +26°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +26°C |
| Feels like (avg.) | +30°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 145° ↘ (SSE) |
Sunrise
06:00
Duration
14 h 23 min
Sunset
20:23
Moonrise
01:19
Moonset
17:31
Moon phase
Waning Crescent
Illumination
26%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 8% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 200° ↓ (S) |
Sunrise
05:59
Duration
14 h 25 min
Sunset
20:24
Moonrise
19:50
Moonset
03:34
Moon phase
Waxing Gibbous
Illumination
89%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 15% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 190° ↓ (S) |
Sunrise
06:00
Duration
14 h 23 min
Sunset
20:23
Moonrise
08:35
Moonset
22:16
Moon phase
Waxing Crescent
Illumination
12%
+26°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 137° ↓ (S) |
Sunrise
06:00
Duration
14 h 23 min
Sunset
20:23
Moonrise
00:07
Moonset
13:53
Moon phase
Last Quarter
Illumination
51%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 296° ↙ (WSW) |
Sunrise
06:00
Duration
14 h 23 min
Sunset
20:23
Moonrise
17:49
Moonset
02:17
Moon phase
Waxing Gibbous
Illumination
72%
Weather in Formia on 31 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+26°C
|
+21°C
|
+23°C | 14 h | 6 | 65% | 3 — 6 m/s |
| 2024 |
+30°C
|
+26°C
|
+28°C | 14 h | 7 | 60% | 2 — 3 m/s |
| 2023 |
+30°C
|
+23°C
|
+26°C | 11 h | 7 | 72% | 3 — 4 m/s |
| 2022 |
+31°C
|
+24°C
|
+27°C | 11 h | 7 | 71% | 3 — 4 m/s |
| 2021 |
+29°C
|
+23°C
|
+26°C | 14 h | 7 | 68% | 2 — 3 m/s |
| 2020 |
+31°C
|
+24°C
|
+28°C | 14 h | 7 | 56% | 3 — 4 m/s |