The average temperature for the week of 7 July 2025 - 13 July 2025 was 30 °C (86 °F) during the day and 21 °C (70 °F) during the night. The current temperatures are roughly same as the long-term average for Pompei, with the daily and nighttime temperatures being 30 °C (86 °F) and 20 °C (68 °F), respectively. The average temperatures observed during different times of day (based on local time) were as below: 7am 23 °C (73 °F), 10am 27 °C (81 °F), 1pm 29 °C (84 °F), 4pm 29 °C (84 °F), 7pm 28 °C (82 °F), 10pm 25 °C (77 °F).

The week had 6 days without rain and 1 day with light rain. During the whole week, total of 5 mm (0.20 in) of precipitation was observed, which is roughly same as the long term average for Pompei, which is 5 mm (0.20 in). The daytime hours (from dawn to dusk) had an average cloud coverage of 20 %.

Average speed of wind was 2.3 m/s. The air pressure varied between 1008 hpa and 1019 hpa. The air in Pompei had an average humidity of 56 %.

During the daytime (from dawn to dusk), there were in average: 12 hours clear skies, 2 hours partially overcast skies and 1.5 hours overcast skies. The sunrise on average occurred at 05:39, and the sunset occurred at 20:34.

Weather overview

Pompei, Italy typically enjoys a warm Mediterranean climate with pleasant sea temperatures. The daytime temperatures range from about 12 °C (54 °F) in the chill of January to a warm 30 °C (86 °F) in the height of July. Sea temperatures can be quite inviting, with a minimum of around 14 °C (58 °F) occurring in February and a maximum reaching 26 °C (78 °F) by August. Overnight, the mercury drops to anywhere between 5 °C (42 °F) in January and 20 °C (67 °F) in July. With varying precipitation, July is often the driest month, seeing just 3 of rain, whereas November tends to be the wettest month with up to 12 of rain.

January weather

In January, Pompei witnesses the lowest daytime temperatures, averaging 12 °C (54 °F), while the sea temperature begins to decrease to 15 °C (59 °F). The decline in precipitation is notable, with an average of 108 mm (4.24 in), and the number of rainy days also starts to decrease, totaling approximately 10. The lowest nighttime temperatures are quite evident.

February weather

The onset of rising daytime temperatures is clear in February, reaching an average of 13 °C (56 °F) in Pompei, while the sea temperature hits its yearly low of 14 °C (58 °F). The first signs of an increase in sunshine hours become evident, registering 4. Rainfall continues to decline this month.

March weather

March sees a continuing climb in daytime temperatures to 16 °C (60 °F) in Pompei, while nighttime temperatures also start to rise, reaching 7 °C (45 °F). The start of decreasing rainy days is noted, with their number around 9. The sun's presence becomes more pronounced, and the peak wind speed is reached at 3.

April weather

April in Pompei is characterized by further warming. The sea temperature starts to increase to 15 °C (60 °F), while the daytime temperature continues its upward trend to 19 °C (66 °F). Nighttime temperatures also rise, averaging 10 °C (49 °F). The number of sunny hours increases to an average of 6.

May weather

As May arrives, Pompei enjoys continued warming with daytime temperatures reaching 23 °C (74 °F). The sea temperature also rises, now averaging 19 °C (65 °F). The decline in rainy days becomes evident, with their number around 6. Night temperatures increase to 13 °C (56 °F), and there is a noticeable rise in sunshine hours, now at 8.

June weather

June's weather in Pompei brings a continuing rise in daytime temperatures, now at 27 °C (80 °F), and the sea temperatures also see a similar increase. The start of the tourist season is signaled. Fewer rainy days, now at 4, and an uptick in nighttime temperatures to 17 °C (62 °F) point to a glorious increase in sunshine hours, averaging 9.

July weather

July sees Pompei's daytime temperatures hitting their annual peak at 30 °C (86 °F), while the sea temperature continues its ascent, averaging 25 °C (77 °F). The tourist season is at its zenith. The lowest rainfall is recorded this month, with an average of just 22 mm (0.85 in), and the rainy days are at their nadir, counting 3. The peak in nighttime temperatures is also registered.

August weather

In August, the sea temperature in Pompei reaches its highest point, now at 26 °C (78 °F). Rainfall begins to pick up slightly, with an average of 27 mm (1.08 in). The tourist season remains in full swing, and the region enjoys its least humid conditions, with the relative humidity around 68 %. A slight decrease in the number of hours of unfettered sunshine can be observed, now at 9.

September weather

September marks the beginning of a downward trend in daytime temperatures in Pompei and a similar decrease in sea temperatures, now at 24 °C (75 °F). The late tourist season still buzzes. A slight rise in rainfall is noted, with averages at 87 mm (3.43 in), and an uptick in rainy days, now at 7. Nighttime temperatures start to cool off.

October weather

October brings a continued decrease in both sea and daytime temperatures in Pompei, with averages of 22 °C (71 °F) and 22 °C (71 °F) respectively. The increase in the number of rainy days is more apparent, with an average of 8. The rise in rainfall is also observed, with an average of 112 mm (4.40 in). A downward trend in nighttime temperatures is noticeable, with an average of 14 °C (56 °F). The lowest wind speeds of the year can be seen this month.

November weather

As November arrives, while daytime temperatures continue to fall, averaging 17 °C (63 °F) in Pompei, the decline in sea temperatures also becomes evident. The highest number of rainy days is observed this month, with an average of 12, and rainfall hits its zenith at 143 mm (5.62 in). A cooling trend in nighttime temperatures is seen.

December weather

December sees a continued downturn in both sea and daytime temperatures in Pompei, with averages of 17 °C (62 °F) and 14 °C (56 °F) respectively. The start of a reduction in rainy days is noted in December. The dip in nighttime temperatures is more apparent, now averaging 7 °C (44 °F). The shortest day lengths of the year are reached this month, with a total of 9. The minimal amount of sunny hours is evident this month.

How does the quantity of rainfall in January compare to other months in Pompei?

January in Pompei sees significant rainfall with an average of 108 mm (4.24 in), which is substantial when compared to drier months.

What changes occur in Pompei's climate during February?

February heralds a slight increase in daytime temperatures to 13 °C (56 °F) and marks the coldest sea temperatures of the year at 14 °C (58 °F).

What is notable about Pompei's weather in March?

March is distinguishable by its increasing day and night temperatures as well as by the peak wind speeds of up to 3.

How does the length of sunny periods change in April in Pompei?

In April, Pompei experiences longer periods of sunshine, averaging about 6 per day.

How does the sea temperature in Pompei in May affect swimming conditions?

With sea temperatures averaging 19 °C (65 °F) in May, conditions in Pompei are moderately suitable for swimming, but some may find the water a bit brisk.

What are some characteristics of Pompei's climate in the month of June?

June in Pompei features warm daytime temperatures averaging 27 °C (80 °F) and an increasing trend in sea temperatures, setting the stage for peak tourist activity.

What climate patterns are prominent in Pompei during July?

July's climate in Pompei is characterized by peak daytime temperatures and minimal rainfall, providing excellent conditions for tourists.

How do humidity levels in Pompei in August affect the overall comfort?

With August bringing the lowest humidity levels of the year in Pompei, around 68 %, visitors can enjoy a more comfortable climate.

Can tourists still enjoy good weather in Pompei in September?

Yes, tourists can still revel in good weather during September in Pompei with moderately warm temperatures and relatively few rainy days.

How does the reduction in wind speed in October affect the weather in Pompei?

The reduced wind speeds in October, with an average of 2, contribute to a calmer and potentially more pleasing weather experience in Pompei.

Is November typically considered a wet month in Pompei?

Definitely, November is considered to be the wettest month in Pompei with an average of 143 mm (5.62 in) of rain.

During December, what weather should visitors in Pompei anticipate?

Visitors to Pompei in December should anticipate shorter days with less sunshine and cooler temperatures both during the day and at night.