Climate and monthly weather forecast
Patras, Greece

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The climate of Patras

Patras, located in Greece, is classified with a Mediterranean, hot summer climate according to the Köppen climate classification. This category, designated as Csa, typically signifies mild winters and hot, dry summers. The climate conditions in Patras are clockwork, with specific weather patterns defining each season.

Examining the records, a glance reveals mild temperatures as a constant throughout the year. Low temperatures record a range from 6.1°C (43°F) in January to the peak of 19.6°C (67.3°F) in August, moderating the climate. High temperatures see a steady increase from an average of 14.5°C (58.1°F) in January, peaking at 30.9°C (87.6°F) in August before descending again.

Rainfall in Patras fluctuates quite significantly, with the drier period occurring from June to September, seeing less than 10mm (0.39") of rain per month. The wettest months are November and December, with average rainfall exceeding the 100mm (3.94") mark. Similarly, the number of rainy days increase with the wet season, reaching its pinnacle in December with 13.2 days.

Daylight hours lengthen from 9.9 hours per day in January to a maximum of 14.8 hours in June, then decrease again towards the end of the year. Meanwhile, the UV Index follows a similar pattern, with lower readings in the winter months and the risk of damage to the skin and eyes increasing from May to August.

The best time to visit Patras

The best time to travel to Patras largely depends on individual preferences. For those who seek the warmth and extended sunlight, June to September represents the ideal period. During these months, high temperatures average between 24.2°C (75.6°F) to 30.9°C (87.6°F), and sunshine is present for about 10 to 13 hours per day, creating perfect conditions for outdoor activities. Furthermore, the sea temperature is inviting, ranging from 23.1°C (73.6°F) to 26.1°C (79°F).

The worst time to visit Patras

If a vacation with lesser rains and more sunshine is preferred, it would be best to avoid visiting Patras between November and December. These months report the highest rain measurements, with average falls from 118mm (4.65") to 116mm (4.57"), while the number of sunshine hours dwindle to just five hours per day.

Spring weather in Patras

Spring in Patras, enveloping March, April and May, transits from mild to warm temperatures, from 16.8°C (62.2°F) to 24.2°C (75.6°F). Rainfall decelerates, recording 63mm (2.48") in March and descending to 29mm (1.14") in May. Concurrently, daylight extends, offering more hours to enjoy outdoor pursuits. Sea temperatures remain moderately cool, making it ideal for brisk beach walks.

Summer weather in Patras

Summer in Patras, spanning June, July, and August, presents ideal conditions for enjoying the outdoors. Temperatures rise, peaking at around 30.9°C (87.6°F) in August. Rainfall levels drop to an average of 5mm (0.2") in July, the lowest of the year, while the sea warms to a balmy 26.1°C (79°F). The sunshine hours extend up to 13 hours per day, ensure an ample time for daytime activities.

Autumn weather in Patras

Autumn in Patras, ushering in September, October, and November, experiences a sequential drop in temperature. Rain levels rise, especially in November, attaining a high of 118mm (4.65"). Sunshine reduces to seven hours per day by October and further dips to five hours by November. Sea temperatures moderate, but remain favourable for swimmers till late September.

Winter weather in Patras

Winter in Patras from December to February, brings in cooler temperatures, where the lowest average nighttime temperature hits 6.1°C (43°F) in January. Precipitation reaches its zenith in December, with rainfall measuring at 116mm (4.57"). Daylight diminishes to around 9.6 hours in December with scanty sunshine hours. However, despite the distinct chill in the air, the winter context in Patras remains moderate in comparison to harsh winter conditions elsewhere.

Weather in January

Patras, Greece begins the calendar year with fairly cool temperatures. The month's weather is characterized by the city's mild Mediterranean climate with a significant amount of rainfall. January proudly holds the third-highest rainfall levels, reaching up to 89mm (3.5"). Weather in January »

Weather in February

February continues the winter season in Patras, with temperatures slightly higher than in the preceding month. Despite still being a part of the colder half of the year, the weather begins presenting some pleasanter days. However, February stays consistent with January's trend regarding rainfall, receiving approximately 82mm (3.23") of rain. Weather in February »

Weather in March

As March arrives in Patras, the first whispers of spring become evident. The course of the year's weather proceeds with temperatures escalating, easing the residents out of winter. Compared to February's showers, a decrease in rainfall continues the transition, bringing down the levels to 63mm (2.48"). Weather in March »

Weather in April

Patras greets April with a noticeable change in its weather narrative. Characterized by rising temperatures, reduced rainfall, and elongated daylight hours, April introduces more comfortable conditions. The month stands out for having nearly halved the rainfall from March, with an average of just 48mm (1.89"). Weather in April »

Weather in May

May brings the true essence of spring to Patras, with soaring temperatures and blooming flora. The weather takes a decidedly warmer pivot from its predecessors, presenting an inviting outdoor ambience. With May's arrival, the city sees a drastic reduction in rainfall, registering only 29mm (1.14") throughout the month. Weather in May »

Weather in June

Patras segues into summer with June, where the weather offers warm and rain-scarce conditions. As one of the driest months in the city, June experiences a trivial 8mm (0.31") of rain. Comparatively longer daylight and sunshine hours bring the city alive for numerous daytime activities. Weather in June »

Weather in July

July in Patras presents the ultimate summer experience, characterized by increased heat and minimal rainfall. With temperatures peaking and precipitation levels almost disappearing, July embraces the zenith of the Mediterranean summer. Weather in July »

Weather in August

In August, the heights of summer continue to assert their presence in Patras. The weather conditions remain similar to those of July, demonstrating warm and dry characteristics. With the warmest water temperatures recorded, August's sea temperature stands at a comfortable 26.1°C (79°F). Weather in August »

Weather in September

The arrival of September signals a slight respite from the intense summer heat in Patras. Though still warm, the weather commences its subtle shift towards the cooler months. An increase in rainfall, reaching 28mm (1.1"), marks the beginnings of autumn. Weather in September »

Weather in October

October prominently ushers in autumn in Patras, shifting noticeably from the warmer months. As temperatures gently slope downwards, the rainfall sees a significant rise. In fact, October observes the third-highest amount of precipitation, topping at 72mm (2.83"). Weather in October »

Weather in November

In November, Patras fully embraces the fall season. The weather sees a steady drop in temperatures, while rainfall levels continue to increase. Of significant note, November's average rainfall scales to a notable 118mm (4.65"). It marks a clear transition away from the comforts of summer and towards the cooler embrace of winter. Weather in November »

Weather in December

As the year draws close to its end, December ushers in the winter season in Patras. The weather becomes crisp and colder, offering a fresh perspective to the city. December watches the rainfall continue its elevated trend, reaching a substantial 116mm (4.57"). Weather in December »
Updated: Feb 14, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest month in Patras?

January, characterized by an average high temperature of 14.5°C (58.1°F) and a low temperature of 6.1°C (43°F), is generally the coldest month in Patras.

How much does it rain in Patras?

In Patras, Greece, during the entire year, the rain falls for 86 days and collects up to 663mm (26.1") of precipitation.

What is the month with the least sunshine in Patras?

The months with the least sunshine in Patras, Greece, are January, February, November and December, with an average of 5h of sunshine.

What is the month with the lowest UV index in Patras?

The months with the lowest UV index in Patras are January and December, with an average maximum UV index of 2.

What month is the sea coldest in Patras?

The month with the coldest seawater is February, with an average sea temperature of 15.3°C (59.5°F).

When are the longest days in Patras?

The month with the longest days in Patras, Greece, is June, with an average of 14h and 48min of daylight.

What is the driest month in Patras?

The month with the least rainfall in Patras is July, when the rain falls for 1 days and typically collects 5mm (0.2") of precipitation.

What month has the most sunshine in Patras?

With an average of 13h of sunshine, July has the most sunshine of the year in Patras.

What is the month with the highest UV index in Patras?

The month with the highest UV index in Patras, Greece, is July, with an average maximum UV index of 10.

What are the warmest months in Patras?

Patras registers the average highest temperatures during August, with peaks of 30.9°C (87.6°F) and lows of 19.6°C (67.3°F).

When is the sea warmest in Patras?

August is the month with the warmest seawater, with an average sea temperature of 26.1°C (79°F).

When is Daylight Saving Time (DST) in Patras?

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.

What is the wettest month in Patras?

The month with the most rainfall is November, when the rain falls for 11 days and typically aggregates up to 118mm (4.65") of precipitation.

What is the month with the shortest days in Patras?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

Average temperature
Patras, Greece

Average temperature - Patras, Greece

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (14.5°C).

The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).

Average rainfall
Patras, Greece

Average rainfall - Patras, Greece

The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is July (4.6mm).

Average rainfall days
Patras, Greece

Average rainfall days - Patras, Greece

The month with the highest number of rainy days is December (13.2 days).
The months with the least rainy days are July and August (1 days).

Average sea temperature
Patras, Greece

Average sea temperature - Patras, Greece

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight / Average sunshine
Patras, Greece

Average daylight / Average sunshine - Patras, Greece

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 13h).
The months with the least sunshine are January, February, November and December (Average sunshine: 5h).

Patras, Greece

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