Fixtures Change year:
| Date | Duration | Opponents | Venue | Competition | Results | |
|---|---|---|---|---|---|---|
| 10 April 2013 | 4 Days | Essex | Chelmsford |  |
Match drawn | |
| 24 April 2013 | 4 Days | Northamptonshire | Bristol | |
Northants beat Gloucestershire by 7 wickets |  |
| 30 April 2013 | 4 Days | Leicestershire | Grace Road | |
Gloucestershire won by 9 wickets | |
| 04 May 2013 | 1 Day | Leicestershire | Grace Road |  |
Leicestershire won by 115 runs | |
| 06 May 2013 | 1 Day | Unicorns | Wormsley | |
Gloucestershire won by 9 wickets | |
| 08 May 2013 | 4 Days | Hampshire | Bristol | |
Draw | |
| 12 May 2013 | 1 Day | Middlesex | Bristol | |
Match abandoned due to rain (no play) | |
| 15 May 2013 | 3 Days | Cambridge MCCU | Fenners |  |
Gloucestershire won by an innings and 82 runs | |
| 19 May 2013 | 1 Day | Glamorgan | Swalec Stadium | |
Gloucestershire won by 7 runs | |
| 22 May 2013 | 4 Days | Worcestershire | New Road | |
Worcestershire won by 10 wickets | |
| 26 May 2013 | 1 Day | Unicorns | Bristol | |
Gloucestershire won by 29 runs | |
| 29 May 2013 | 4 Days | Lancashire | Liverpool | |
Draw | |
| 02 June 2013 | 1 Day | Yorkshire | Headingley Carnegie | |
Gloucestershire won by 5 wickets | |
| 05 June 2013 | 4 Days | Glamorgan | Bristol | |
Draw | |
| 12 June 2013 | 4 Days | Hampshire | Ageas Bowl | |
Gloucestershire won by 198 runs | |
| 16 June 2013 | 1 Day | Yorkshire | Bristol | |
Gloucestershire won by 36 runs | |
| 21 June 2013 | 3 Days | Australia "A" | Bristol |  |
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| 28 June 2013 | 1 Day  |
Northamptonshire | Northampton |  |
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| 30 June 2013 | 1 Day | Worcestershire | Bristol | |
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| 05 July 2013 | 1 Day | Somerset | Taunton | |
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| 07 July 2013 | 1 Day | Worcestershire | New Road | |
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| 10 July 2013 | 4 Days | Kent | Cheltenham | |
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| 14 July 2013 | 1 Day | Warwickshire | Cheltenham | |
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| 16 July 2013 | 1 Day | Northamptonshire | Cheltenham | |
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| 17 July 2013 | 4 Days | Worcestershire | Cheltenham | |
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| 21 July 2013 | 1 Day | Glamorgan | Cheltenham | |
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| 24 July 2013 | 1 Day |
Warwickshire | Edgbaston | |
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| 26 July 2013 | 1 Day | Somerset | Bristol | |
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| 30 July 2013 | 1 Day |
Glamorgan | Swalec Stadium | |
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| 02 August 2013 | 4 Days | Northamptonshire | Northampton | |
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| 06 August 2013 | 1 Day | TBC | TBC | |
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| 07 August 2013 | 1 Day | TBC | TBC | |
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| 08 August 2013 | 1 Day | TBC | TBC | |
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| 11 August 2013 | 1 Day | Somerset | Taunton | |
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| 13 August 2013 | 1 Day | Leicestershire | Bristol | |
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| 15 August 2013 | 1 Day |
Middlesex | Lord's | |
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| 17 August 2013 | 1 Day | TBC | Edgbaston | |
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| 18 August 2013 | 1 Day | Glamorgan | Bristol | |
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| 20 August 2013 | 1 Day | England Lions v Bangladesh "A" | Bristol | |
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| 21 August 2013 | 4 Days | Kent | Canterbury | |
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| 26 August 2013 | 1 Day | Somerset | Bristol | |
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| 28 August 2013 | 4 Days | Essex | Bristol | |
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| 03 September 2013 | 4 Days | Leicestershire | Bristol | |
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| 07 September 2013 | 1 Day | TBC | TBC | |
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| 09 September 2013 | 1 Day | TBC | TBC | |
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| 17 September 2013 | 4 Days | Lancashire | Bristol | |
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| 21 September 2013 | 1 Day | TBC | Lord's | |
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| 24 September 2013 | 4 Days | Glamorgan | Swalec Stadium | |
