Lisbon Weather

2025 (Full Year)

Historical data
Average Temperature
22.1 °C
High
/
14.2 °C
Low
975.1mm
Precipitation
40.7°C
Peak Temp
5.1°C
Low Temp
365
Days Count

Seasonal Breakdown

Average temperatures and precipitation by season

Spring

92 days
19.9°C
Avg High
/
12.5°C
Avg Low
Precipitation
324.8mm

Summer

92 days
29.7°C
Avg High
/
18.7°C
Avg Low
Precipitation
5.7mm

Autumn

91 days
23.1°C
Avg High
/
15.5°C
Avg Low
Precipitation
257.1mm

Winter

90 days
15.6°C
Avg High
/
10.1°C
Avg Low
Precipitation
387.5mm

Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)

Monthly Breakdown

Average temperatures and precipitation by month

January

31 days
15.9°C / 10.6°C
Avg High / Low
Precipitation
160.7mm

February

28 days
16.3°C / 10.0°C
Avg High / Low
Precipitation
92.1mm

March

31 days
16.5°C / 10.4°C
Avg High / Low
Precipitation
168.3mm

April

30 days
19.6°C / 12.8°C
Avg High / Low
Precipitation
116.2mm

May

31 days
23.5°C / 14.4°C
Avg High / Low
Precipitation
40.3mm

June

30 days
28.7°C / 17.9°C
Avg High / Low
Precipitation
2.5mm

July

31 days
29.6°C / 19.1°C
Avg High / Low
Precipitation
2.8mm

August

31 days
30.6°C / 19.1°C
Avg High / Low
Precipitation
0.4mm

September

30 days
26.8°C / 17.1°C
Avg High / Low
Precipitation
14.9mm

October

31 days
24.8°C / 17.1°C
Avg High / Low
Precipitation
48.6mm

November

30 days
17.6°C / 12.1°C
Avg High / Low
Precipitation
193.6mm

December

31 days
14.8°C / 9.8°C
Avg High / Low
Precipitation
134.7mm

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

40.7°C
Sunday, June 29

Coolest Day

11.4°C
Saturday, December 27

Period Low

5.1°C
Wednesday, January 15
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: Lisbon
Period: 2025-01-01 to 2025-12-31

Weather Insights

Key findings from analysis for selected period

Variable with Hot Extremes

Worth noting

Average of 22.1°C but 15 very hot days (40.7°C peak).

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: November (194mm), March (168mm)
Driest: August (0mm), June (3mm)

Temperature Patterns (Monthly Averages):
Hottest months: August (30.6°C), July (29.6°C)
Coolest months: December (14.8°C), January (15.9°C)

Travel Recommendations:
Best visiting months: May, October, April (optimal temperature and rainfall balance).
⚠️

19 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 19 notable days in this period:

Jun 29 Heat

Hottest day: 40.7°C

Jun 30 Heat

Hottest day: 40.7°C

Jun 28 Heat

Very hot day: 39.9°C

14 Extreme Heat Index Days

Worth noting

14 days with dangerous heat index levels (44.2°C average). Temperature 37.0°C combined with 47% humidity creates hazardous conditions.

High Humidity Levels

Info

Average humidity of 72% indicates persistently moist air conditions. Heat sensation amplified during warm periods (22.1°C average temperature). Humidity varied significantly (30%-97% range).

📊

Highly Variable Humidity

Info

Large humidity swings (30%-97%) for a year. Conditions ranged from dry to very humid.

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Data Source

Weather data provided by Open-Meteo, offering reliable historical weather information from meteorological stations worldwide.

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