Temple of Jupiter Optimus Maximus

Archaeological Site Principal ancient Roman temple on the Capitoline Hill

Site of Rome’s principal ancient temple on the Capitoline Hill, known from Republican and Imperial sources; only limited foundations and platform survive within the Capitoline complex.

Main image

The Temple of Jupiter Optimus Maximus occupied the summit of the Capitoline Hill in ancient Rome and was the city’s principal state temple, dedicated to Jupiter, Juno and Minerva. Tradition places the first foundation in the early Roman monarchy; the temple was rebuilt several times over the Republican and Imperial periods.

Architectural traces and written sources attest that the temple had a large high podium and a multi-cella plan for the Capitoline Triad; it functioned as the focal point of state cult and important civic ceremonies. Successive reconstructions followed fires and other damage across centuries.

The temple’s origin is traditionally attributed to the late 6th century BCE in Roman tradition, and later rebuildings are documented in Republican and Imperial sources; its remains are mainly visible as substructures and foundations today, integrated into the archaeological fabric of the Capitoline Hill.

The site sits at the top of the Capitoline Hill overlooking the Roman Forum in central Rome.

  • Religious significance: Dedicated to the Capitoline Triad of Jupiter, Juno and Minerva, it was Rome's chief state temple and the symbolic religious centre of the city.
Temple of Jupiter Optimus Maximus
Capitoline Hill / Roman Forum area, Rome, Italy
41.8922, 12.4817
Free to view from the Capitoline area; archaeological ticketing for the Roman Forum/Palatine applies for deeper access (~€16)

How to Get to Temple of Jupiter Optimus Maximus #

The remains sit on Capitoline Hill overlooking the Roman Forum and are reached from Piazza Venezia. From the Colosseum area (Colosseo metro stop) walk north along Via dei Fori Imperiali or ascend the Capitoline steps from the forum.

Tips for Visiting Temple of Jupiter Optimus Maximus #

  • Stand on the Capitoline Hill for a layered view of the temple's remains against the Forum.
  • Read the plaques: much of what is known comes from later Roman references and piecing together fragmentary evidence.

Best Time to Visit Temple of Jupiter Optimus Maximus #

Best combined with a visit to the Capitoline Museums and the Forum; early morning in shoulder seasons reduces crowds and heat.

Spring
Apr-Jun · 12-25°C
Pleasant for walking the Capitoline and Forum with fewer crowds than summer.
Autumn
Sep-Nov · 14-22°C
Cooler air and softer light reveal architectural detail more easily.

Weather & Climate near Temple of Jupiter Optimus Maximus #

Climate

Temple of Jupiter Optimus Maximus's climate is classified as Hot-Summer Mediterranean - Hot-Summer Mediterranean climate with warm summers (peaking in August) and cold winters (coldest in January). Temperatures range from 4°C to 30°C. Moderate rainfall (708 mm/year).

Air Quality: AQI 55 Moderate
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
41°
Warmest Month
-5°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 12°C and lows of 4°C. Moderate rainfall (73 mm) and partly cloudy skies.

57 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
81%
Humidity
Very Humid

Weather

73 mm
Rainfall
1.9 m/s
Wind
Calm
0.2
UV Index
Low
9.4h daylight

February

February is cold with highs of 13°C and lows of 4°C. Moderate rainfall (67 mm) and partly cloudy skies.

61 Good

Comfort

Feels Like Cold
C
Temperature
13°
79%
Humidity
Very Humid

Weather

67 mm
Rainfall
2.1 m/s
Wind
Calm
0.4
UV Index
Low
10.5h daylight

March

March is cool with highs of 16°C and lows of 6°C. Moderate rainfall (59 mm) and partly cloudy skies.

73 Very Good

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
76%
Humidity
Very Humid

Weather

59 mm
Rainfall
2.4 m/s
Wind
Calm
0.7
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 18°C and lows of 8°C. Moderate rainfall (58 mm) and partly cloudy skies.

73 Very Good

Comfort

13°
Feels Like Cool
13°C
Temperature
18°
72%
Humidity
Very Humid

Weather

58 mm
Rainfall
2.5 m/s
Wind
Calm
1.2
UV Index
High
13.2h daylight

May

May is cool with highs of 23°C and lows of 12°C. Moderate rainfall (41 mm).

87 Excellent

Comfort

18°
Feels Like Cool
18°C
Temperature
12° 23°
68%
Humidity
Humid

Weather

41 mm
Rainfall
2.1 m/s
Wind
Calm
1.7
UV Index
Very High
14.4h daylight

June

June is mild with highs of 27°C and lows of 16°C. Moderate rainfall (30 mm) and mostly sunny skies.

91 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
16° 27°
62%
Humidity
Humid

Weather

30 mm
Rainfall
2.2 m/s
Wind
Calm
2.1
UV Index
Extreme
15.0h daylight

July

July is warm with highs of 30°C and lows of 19°C. The driest month with just 15 mm and clear sunny skies.

97 Ideal

Comfort

25°
Feels Like Warm
25°C
Temperature
19° 30°
55%
Humidity
Humid

Weather

15 mm
Rainfall
2.3 m/s
Wind
Calm
2.2
UV Index
Extreme
14.7h daylight

August

August is the warmest month with highs of 30°C and lows of 19°C. Moderate rainfall (33 mm) and clear sunny skies.

93 Ideal

Comfort

25°
Feels Like Warm
25°C
Temperature
19° 30°
55%
Humidity
Humid

Weather

33 mm
Rainfall
2.2 m/s
Wind
Calm
1.8
UV Index
Very High
13.7h daylight

September

September is mild with highs of 26°C and lows of 16°C. Moderate rainfall (65 mm) and mostly sunny skies.

85 Excellent

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 27°
64%
Humidity
Humid

Weather

65 mm
Rainfall
2.0 m/s
Wind
Calm
1.2
UV Index
High
12.3h daylight

October

October is cool with highs of 22°C and lows of 12°C. Regular rainfall (88 mm).

73 Very Good

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 22°
73%
Humidity
Very Humid

Weather

88 mm
Rainfall
1.8 m/s
Wind
Calm
0.7
UV Index
Moderate
11.0h daylight

November

November is cool with highs of 16°C and lows of 8°C. The wettest month with 96 mm of rain and partly cloudy skies.

69 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
80%
Humidity
Very Humid

Weather

96 mm
Rainfall
1.9 m/s
Wind
Calm
0.3
UV Index
Low
9.7h daylight

December

December is cold with highs of 13°C and lows of 5°C. Regular rainfall (83 mm) and partly cloudy skies.

59 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
81%
Humidity
Very Humid

Weather

83 mm
Rainfall
2.1 m/s
Wind
Calm
0.2
UV Index
Low
9.1h daylight

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