Lisbon Weather

2026 (This Year)

Historical data
Average Temperature
22.7 °C
High
/
14.2 °C
Low
549.0mm
Precipitation
40.4°C
Peak Temp
5.7°C
Low Temp
223
Days Count

Seasonal Breakdown

Average temperatures and precipitation by season

Spring

92 days
21.7°C
Avg High
/
12.9°C
Avg Low
Precipitation
150.5mm

Summer

72 days
29.8°C
Avg High
/
18.9°C
Avg Low
Precipitation
15.4mm

Winter

59 days
15.4°C
Avg High
/
10.5°C
Avg Low
Precipitation
383.1mm

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
14.6°C / 9.8°C
Avg High / Low
Precipitation
189.5mm

February

28 days
16.3°C / 11.2°C
Avg High / Low
Precipitation
193.6mm

March

31 days
18.8°C / 11.3°C
Avg High / Low
Precipitation
60.5mm

April

30 days
22.3°C / 12.9°C
Avg High / Low
Precipitation
41.9mm

May

31 days
24.1°C / 14.5°C
Avg High / Low
Precipitation
48.1mm

June

30 days
28.8°C / 17.8°C
Avg High / Low
Precipitation
11.9mm

July

31 days
30.5°C / 19.6°C
Avg High / Low
Precipitation
1.8mm

August

11 days
30.6°C / 19.9°C
Avg High / Low
Precipitation
1.7mm

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

40.4°C
Thursday, July 2

Coolest Day

11.3°C
Tuesday, January 6

Period Low

5.7°C
Saturday, January 24
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: Lisbon
Period: 2026-01-01 to 2026-08-11

Weather Insights

Key findings from analysis for selected period

Variable with Hot Extremes

Worth noting

Average of 22.7°C but 9 very hot days (40.4°C peak).

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: February (194mm), January (190mm)
Driest: July (2mm), June (12mm)

Temperature Patterns (Monthly Averages):
Hottest months: July (30.5°C), June (28.8°C)
Coolest months: January (14.6°C), February (16.3°C)

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

9 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 9 notable days in this period:

Jul 2 Heat

Hottest day: 40.4°C

Jul 4 Heat

Very hot day: 38.3°C

Jul 5 Heat

Very hot day: 38.2°C

13 Extreme Heat Index Days

Worth noting

13 days with dangerous heat index levels (41.8°C average). Temperature 35.6°C combined with 50% humidity creates hazardous conditions.

🌤️

Moderate Humidity Levels

Notable

Average humidity of 70% represents typical moderate moisture conditions. Generally comfortable range for most activities. Humidity varied significantly (29%-97% range).

📊

Highly Variable Humidity

Info

Large humidity swings (29%-97%) for a year. Conditions ranged from dry to very humid.

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

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