Climate and monthly weather forecastPiriápolis, Uruguay
Climate and monthly weather forecast
The climate of Piriápolis
Predominantly classified under the Köppen Climate Classification as Marine West Coast with a warm summer, often denoted as Cfb, this seaport city of Piriápolis experiences a fair share of the elements in span of a year. Due to its geographical position on the southeast coast of Uruguay, its weather can dramatically swing between warm to slightly chilly temperatures.Throughout the course of the year, the monthly average temperature steers between a high of 25.3°C (77.5°F) in January and slides down to a low of 13.2°C (55.8°F) in July. As observed with humidity levels, it fluctuates mildly from a high of 79% between July and September and slightly drops to 71% in January.
Rainfall patterns seen throughout the year seem to elevate during the colder months; around 74mm (2.91") are recorded in July, whereas lower precipitation of approximately 44mm (1.73") appears around January. The total average cloud coverage tends to increase from 22% in January to a peak of 41% in July while visibility remains a constant 10km (6.2mi) throughout the year.
This seaside town witnesses sea temperatures that span from a high of 22.8°C (73°F) during January and February to a low of 11.8°C (53.2°F) in July. The average daylight hours show a distinct variation, shrinking from January's 14.2 hours to July's 10.1 hours.
The best time to visit Piriápolis
Choosing the most suitable time to visit Piriápolis relies on the visitor's preferred weather. Should someone favour the sun and longer daylight hours, it is advisable to visit between the months of January to March, where the average daylight clocks at about 13 hours per day. During this period, water temperatures resonate warmth, hovering in the region of 22.3°C (72.1°F) to 22.8°C (73°F). It is also the time bracket where temperatures reach their yearly summits, fluctuating from 20.4°C (68.7°F) to 25.3°C (77.5°F).The worst time to visit Piriápolis
Contrary to the former period, individuals looking to avert conditions with lower light hours, cooler temperatures, and considerable precipitation should veer from visiting around July. The average daylight in July descends to 10.1 hours. Additionally, sea temperatures govern some of the lowest recorded figures, dropping to 11.8°C (53.2°F). Meanwhile, land temperatures reduce to about 13.2°C (55.8°F). Notably, July merits primary attention since it is the month documented with the highest precipitation levels at about 74mm (2.91").Spring weather in Piriápolis
Spring in Piriápolis transpires from September to November, with temperatures ranging from 14.3°C (57.7°F) to 20.5°C (68.9°F). During this time, the duration of daylight extends gradually from 11.9 to 14 hours. Humidity levels reside relatively high, hovering in the range of 79% to 75%. Rainfall, meanwhile, can be anticipated to drop from 56mm (2.2") to 55mm (2.17").Summer weather in Piriápolis
Summer visits to Piriápolis usher in a warm welcome. A period between December and February, the temperature dances around 23.4°C (74.1°F) to 25.3°C (77.5°F). Simultaneously, the sea temperature settles at a comfortable reading, wavering from 20.8°C (69.4°F) to 22.8°C (73°F). The impressive daylight span lasts between 14 to 14.5 hours, while rainfall levels range from 44mm (1.73") to 70mm (2.76").Autumn weather in Piriápolis
Arriving during the autumn months from March to May provides a relatively cooler experience. The temperature fluctuates from 17.7°C (63.9°F) to 22.9°C (73.2°F) and sea temperatures dip between 16.8°C (62.2°F) and 22.3°C (72.1°F). About 11.2 to 10.3 hours of daylight can be expected. Rainfall during this season gains volume, with a gradual rise starting from 53mm (2.09") and culminating at 72mm (2.83") in May.Winter weather in Piriápolis
The winter season in Piriápolis, spanning across June to August, records the coolest period of the year. The temperature ranges from 13.2°C (55.8°F) to 14.6°C (58.3°F). Correspondingly, the sea temperature maintains its chill, oscillating between 11.8°C (53.2°F) to 14.3°C (57.7°F). Rainfall in this season surges up to 74mm (2.91"), and the daylight duration compresses from 9.8 hours to 10.9 hours. This winter phase is marked by higher levels of cloud cover, from 37% to 41%, amplifying the cooler climate.Weather in January
The New Year begins warm in Piriápolis, Uruguay, with January boasting comfortable temperatures and mild humidity. The city witnesses a gentle reduction in daylight hours from December, subtly signaling the onset of cooler days ahead. Weather in January »Weather in February
In February, the weather in Piriápolis bears a close resemblance to January, with the city continuing to experience warm temperatures. A slight increase in rainfall is on the cards, implying occasional overcast skies. Additionally, the wind speeds stay nearly unchanged, ensuring a steady coastal breeze. Weather in February »Weather in March
As March approaches, the weather begins to transition from exceptionally warm to moderately hot in Piriápolis. Despite the dip in temperature, it still provides ample warmth to enjoy outdoor pursuits. The sea starts to cool down, whilst the breeze retains its speed. Weather in March »Weather in April
April in Piriápolis marks the arrival of autumn, indicated by the significant drop in temperature from March. The unfolding season dials down the heat, inviting more pleasant conditions. Simultaneously, the average sea temperature experiences a downturn, while the wind gently loses its speed. Weather in April »Weather in May
May brings about a notable change in the weather of Piriápolis, with temperatures steadily falling as winter approaches. The sea continues to lose its summer warmth, discouraging beach activities. The city also begins to feel a decrease in wind speed, resulting in calm days. Weather in May »Weather in June
June in Piriápolis is recognized as the onset of winter, characterized by its lowest annual temperatures. The sea further cools down, becoming less appealing for swimming. A minor hike in wind speed breaks the monotonous calm, sweeping away season's chill. Weather in June »Weather in July
July counts as the coldest month in Piriápolis, with the decreased temperatures becoming a distinguishing feature. The cooler temperatures continue to affect sea conditions, keeping it at its chilliest. Notwithstanding, the wind speeds augment a notch, beating away the winter chill. Weather in July »Weather in August
As August greets Piriápolis, there is a subtle shift in weather with temperatures crawling back upwards. The sea initiates its journey towards warmth, promising a familiar coastal charm. Wind speeds take a slight dip, inviting tranquility into the cityscape. Weather in August »Weather in September
In September, Piriápolis experiences a noticeable change, with the onset of spring slowly heating up the city. The sea too, follows suit, gradually regaining its lost summer warmth. Winds maintain their speed, harmonizing perfectly with the transitional climate. Weather in September »Weather in October
October in Piriápolis marks a significant leap towards warmer days. The raise in temperature acts as a prelude to the approaching summer, attracting tourists to the city. The sea simultaneously warms up, reviving water-filled activities. Weather in October »Weather in November
In November, the weather in Piriápolis gathers the excitement of summer, seen in the rising temperatures. The sea, too, basks in the warmth, welcoming swimmers with its enhanced temperature. Despite a minor decrease in wind speed, the breeze stays faithful to the coast. Weather in November »Weather in December
December in Piriápolis ushers in summer, characterized by the highest annual temperatures. The sea accentuates its warmth, converting the beach into a popular spot. As the wind slackens slightly, it ensures a mild, soothing coastal atmosphere. Weather in December »Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Piriápolis, the peak temperatures are generally noted in January, averaging a high of 25.3°C (77.5°F) and a low of 19.8°C (67.6°F).
With an average relative humidity of 71%, January is the least humid month.
The month with the least rainfall is January, when the rain falls for 10.3 days and typically collects 44mm (1.73") of precipitation.
Throughout the year, in Piriápolis, there are 136.9 rainfall days, and 714mm (28.11") of precipitation is accumulated.
January and February, with an average sea temperature of 22.8°C (73°F), are months with the warmest seawater.
With an average of 10.9h of sunshine, January has the most sunshine of the year.
The months with the highest UV index are January through March and December, with an average maximum UV index of 6.
June has the shortest days of the year in Piriápolis, with an average of 9h and 54min of daylight.
July is the month that records the lowest temperatures, with averages ranging from a high of 13.2°C (55.8°F) to a low of 9.7°C (49.5°F).
The months with the highest humidity are July through September, with an average relative humidity of 79%.
The month with the most rainfall is July, when the rain falls for 11.4 days and typically aggregates up to 74mm (2.91") of precipitation.
July is the month with the coldest seawater, with an average sea temperature of 11.8°C (53.2°F).
July has the least sunshine of the year, with an average of 5.4h of sunshine.
July is the month with the lowest UV index, with an average maximum UV index of 3.
December has the longest days of the year, with an average of 14h and 30min of daylight.
Piriápolis does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Piriápolis, Uruguay
The warmest month (with the highest average high temperature) is January (25.3°C).
The month with the lowest average high temperature is July (13.2°C).
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure
Piriápolis, Uruguay
- Average pressure in January:
1012.5mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1014.9mbar - Average pressure in April:
1016.5mbar - Average pressure in May:
1017.8mbar - Average pressure in June:
1017.8mbar
- Average pressure in July:
1018.9mbar - Average pressure in August:
1018.7mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1013.5mbar - Average pressure in December:
1011.5mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed
Piriápolis, Uruguay
- Average wind speed in January:
20km/h - Average wind speed in February:
19.9km/h - Average wind speed in March:
20km/h - Average wind speed in April:
19.8km/h - Average wind speed in May:
19.1km/h - Average wind speed in June:
21.3km/h
- Average wind speed in July:
21.2km/h - Average wind speed in August:
20.1km/h - Average wind speed in September:
21.3km/h - Average wind speed in October:
20.8km/h - Average wind speed in November:
20.3km/h - Average wind speed in December:
19.7km/h
The windiest months (with the highest average wind speed) are June and September (21.3km/h).
The calmest month (with the lowest average wind speed) is May (19.1km/h).
Average humidity
Piriápolis, Uruguay
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is January (71%).
Average rainfall
Piriápolis, Uruguay
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days
Piriápolis, Uruguay
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
11.7 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
11.4 days - Average rainfall days in August:
10.2 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are June, August and September (10.2 days).
Average sea temperature
Piriápolis, Uruguay
The best months for swimming (with the highest average sea temperature) are January and February (22.8°C).
The coldest month (with the lowest average sea temperature) is July (11.8°C).
Average daylight / Average sunshine
Piriápolis, Uruguay
- Average daylight in January:
14h and 12min - Average daylight in February:
13h and 18min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 12min - Average daylight in May:
10h and 18min - Average daylight in June:
9h and 54min
- Average daylight in July:
10h and 6min - Average daylight in August:
10h and 54min - Average daylight in September:
11h and 54min - Average daylight in October:
13h and 0min - Average daylight in November:
14h and 0min - Average daylight in December:
14h and 30min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January:
10h and 54min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 18min - Average sunshine in April:
7h and 48min - Average sunshine in May:
5h and 36min - Average sunshine in June:
5h and 42min
- Average sunshine in July:
5h and 24min - Average sunshine in August:
7h and 18min - Average sunshine in September:
7h and 24min - Average sunshine in October:
8h and 24min - Average sunshine in November:
10h and 6min - Average sunshine in December:
10h and 36min
The month with the most sunshine is January (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days
Piriápolis, Uruguay
- Average sunshine days in January:
18 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
17 days - Average sunshine days in June:
18.5 days
- Average sunshine days in July:
18.6 days - Average sunshine days in August:
19.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is March (13.6 days).
Average UV index
Piriápolis, Uruguay
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover
Piriápolis, Uruguay
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility
Piriápolis, Uruguay
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
